chore(deps): update infra containers to v3.7.4

[tedsluis]

This PR contains the following updates:

Package	Update	New value
docker.io/library/traefik	patch	v3.7.4

🔍 Automatically tested on local Fedora monitoring stack

Stack components: Prometheus, Grafana, Loki, Tempo, Alertmanager, Alloy, KeepHQ

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This PR has been generated by Renovate Bot.

[tedsluis]

✅ Automatic Validation Passed!
The stack successfully started on commit 7d21186dd9644462b71b44e699100d46f4cf0f0d. No healthcheck errors found.

View the successful test log

========================================
🚀 Starting Automated Validation Suite
========================================
🔍 [CHECK] Smoketest: Are all defined containers running?
   [INFO] Expected container count from compose.yml: 20
   [INFO] Currently running containers: 20
✅ [SUCCESS] All required containers are running.
----------------------------------------
⏳ [WAIT] Checking container health status (Alertmanager, Grafana, Keep-db, Keep-frontend, Minio, Nginx, Node-exporter, Podman-exporter, Prometheus, Traefik)...
   [INFO] Waiting for alertmanager to become healthy...
   [SUCCESS] alertmanager is healthy!
   [INFO] Waiting for grafana to become healthy...
   [SUCCESS] grafana is healthy!
   [INFO] Waiting for keep-db to become healthy...
   [SUCCESS] keep-db is healthy!
   [INFO] Waiting for keep-frontend to become healthy...
   [SUCCESS] keep-frontend is healthy!
   [INFO] Waiting for minio to become healthy...
   [SUCCESS] minio is healthy!
   [INFO] Waiting for nginx to become healthy...
   [SUCCESS] nginx is healthy!
   [INFO] Waiting for node-exporter to become healthy...
   [SUCCESS] node-exporter is healthy!
   [INFO] Waiting for podman-exporter to become healthy...
   [SUCCESS] podman-exporter is healthy!
   [INFO] Waiting for prometheus to become healthy...
   [SUCCESS] prometheus is healthy!
   [INFO] Waiting for traefik to become healthy...
   [SUCCESS] traefik is healthy!
🔍 [CHECK] Identifying internal Podman network...
🔌 [INFO] Using internal network: monitoring_monitoring-net
   [INFO] Using ephemeral curl container for internal API testing.
----------------------------------------
🔍 [TEST] Prometheus API & Base Health
✅ [SUCCESS] Prometheus API is reachable and reports healthy.
----------------------------------------
🔍 [TEST] Prometheus Targets (Max 2 minutes wait)
   [INFO] Fetching Prometheus targets (Attempt 1/12)...
⚠️  [WARN] Still 1 target(s) DOWN or not scraped yet. Retrying in 10s...
   [INFO] Fetching Prometheus targets (Attempt 2/12)...
⚠️  [WARN] Still 1 target(s) DOWN or not scraped yet. Retrying in 10s...
   [INFO] Fetching Prometheus targets (Attempt 3/12)...
⚠️  [WARN] Still 1 target(s) DOWN or not scraped yet. Retrying in 10s...
   [INFO] Fetching Prometheus targets (Attempt 4/12)...
✅ [SUCCESS] All Prometheus targets are UP and successfully scraped.

========================================
🌐 Starting Podman monitoring-net network Tests (via HTTP)
========================================
----------------------------------------
🔍 [TEST] Grafana API
✅ [SUCCESS] http://grafana:3000/api/health is reachable and healthy.
----------------------------------------
🔍 [TEST] Alertmanager
✅ [SUCCESS] http://alertmanager:9093/-/healthy is reachable and healthy.
----------------------------------------
🔍 [TEST] Keep API
✅ [SUCCESS] http://keep-backend:8080/ is reachable and healthy.
----------------------------------------
🔍 [TEST] Traefik Routing (using Nginx)
✅ [SUCCESS] http://traefik:80 is routing requests correctly.
----------------------------------------
🔍 [TEST] Alloy
✅ [SUCCESS] http://alloy:12345/-/healthy is reachable and healthy.
----------------------------------------
🔍 [TEST] Blackbox Exporter
✅ [SUCCESS] http://blackbox-exporter:9115/-/healthy is reachable and healthy.
----------------------------------------
🔍 [TEST] Karma Dashboard
✅ [SUCCESS] http://karma:8080/health is reachable and healthy.
----------------------------------------
🔍 [TEST] Keep Frontend
✅ [SUCCESS] http://keep-frontend:3000/api/healthcheck is reachable and healthy.
----------------------------------------
🔍 [TEST] Loki
✅ [SUCCESS] http://loki:3100/ready is reachable and healthy.
----------------------------------------
🔍 [TEST] MinIO
✅ [SUCCESS] http://minio:9000/minio/health/live is reachable and healthy.
----------------------------------------
🔍 [TEST] Nginx
✅ [SUCCESS] http://nginx:80 is reachable.
----------------------------------------
🔍 [TEST] Node Exporter
✅ [SUCCESS] http://host.containers.internal:9100 is reachable.
----------------------------------------
🔍 [TEST] OpenTelemetry Collector
✅ [SUCCESS] http://otel-collector:8888/metrics is reachable.
----------------------------------------
🔍 [TEST] Podman Exporter
✅ [SUCCESS] http://podman-exporter:9882/metrics is reachable.
----------------------------------------
🔍 [TEST] Pyroscope
   [INFO] Pyroscope is still initializing. Retrying...
   [INFO] Pyroscope is still initializing. Retrying...
✅ [SUCCESS] http://pyroscope:4040/ready is reachable and healthy.
----------------------------------------
🔍 [TEST] Tempo
✅ [SUCCESS] http://tempo:3200/ready is reachable and healthy.
----------------------------------------
🔍 [TEST] Webhook Tester
✅ [SUCCESS] http://webhook-tester:8080 is reachable.

========================================
🌐 Starting Reverse Proxy Tests (via HTTPS/443)
========================================
----------------------------------------
🔍 [TEST] Proxy: Alloy
✅ [SUCCESS] https://alloy.localhost/-/healthy is reachable.
----------------------------------------
🔍 [TEST] Proxy: Alertmanager
✅ [SUCCESS] https://alertmanager.localhost/-/healthy is reachable.
----------------------------------------
🔍 [TEST] Proxy: Grafana
✅ [SUCCESS] https://grafana.localhost/api/health is reachable.
----------------------------------------
🔍 [TEST] Proxy: Karma
✅ [SUCCESS] https://karma.localhost/health is reachable.
----------------------------------------
🔍 [TEST] Proxy: KeepHQ (Frontend)
✅ [SUCCESS] https://keep.localhost/api/healthcheck is reachable.
----------------------------------------
🔍 [TEST] Proxy: MinIO Console
✅ [SUCCESS] https://minio.localhost/ is reachable.
----------------------------------------
🔍 [TEST] Proxy: Traefik Dashboard
✅ [SUCCESS] https://traefik.localhost/dashboard/ is reachable.
----------------------------------------
🔍 [TEST] Proxy: Webhook Tester
✅ [SUCCESS] https://webhook-tester.localhost/ is reachable.

========================================
🔗 Starting End-to-End Tempo Tracing Pipeline Test
========================================
🔍 [TEST] Flow: Traefik -> Grafana -> OTel -> Tempo -> Prometheus
   [INFO] Injected Traceparent: 00-0fc0c5d24810414ebf5a67720973c878-71c0d8fbbf3f4c56-01
   [INFO] Waiting for the tracing pipeline to buffer and flush (max 30s)...
   ✅ [SUCCESS] Tempo successfully received and stored the exact Trace ID!
   [INFO] Verifying tracing metrics flow in Prometheus...
   ✅ [SUCCESS] Prometheus confirms that tracing metrics are actively flowing!

========================================
📜 Starting End-to-End Loki Logging Pipeline Test
========================================
🔍 [TEST] Flow: Script -> Loki API (Push) -> MinIO (Storage) -> Loki API (Query)
   [INFO] Injected Log Message: e2e-test-log-entry-a624705c-4b76-4c4a-9f5b-e80462f9c311
   [INFO] Successfully pushed log to Loki API.
   [INFO] Waiting for Loki to index the log (max 50s)...
   ✅ [SUCCESS] Loki successfully ingested, indexed, and returned the test log!

========================================
🪵 Starting Alloy Auto-Discovery Test
========================================
🔍 [TEST] Flow: Container Logs -> Alloy -> Loki
   [INFO] Verifying if Alloy is actively scraping containers and sending them to Loki...
   ✅ [SUCCESS] Alloy is actively scraping container logs and shipping them to Loki!

========================================
🚨 Starting End-to-End Alerting Pipeline Tests
========================================
🔍 [TEST] Flow: Prometheus (Rules Engine) -> Alertmanager
   [INFO] Checking if Alertmanager is receiving the 'Watchdog' alert from Prometheus...
   ✅ [SUCCESS] Alertmanager is receiving alerts from Prometheus!
----------------------------------------
🔍 [TEST] Flow: Loki (Ruler) -> Alertmanager
   [INFO] Checking if Alertmanager is receiving the 'LokiWatchdog' alert from Loki...
   ✅ [SUCCESS] Alertmanager is receiving alerts from Loki!
----------------------------------------
🔍 [TEST] Flow: Alertmanager -> Karma Dashboard
   [INFO] Checking if Karma is actively parsing and visualizing alerts from Alertmanager...
   ✅ [SUCCESS] Karma is successfully receiving and grouping alerts from Alertmanager (Total: 15)!

========================================
📊 Starting PromQL Data Integrity Test
========================================
🔍 [TEST] Flow: Exporters -> Prometheus TSDB -> PromQL Evaluation
   [INFO] Evaluating PromQL: up{job="node-exporter"}
   ✅ [SUCCESS] PromQL successfully evaluated the metric (value: 1).
----------------------------------------
🔍 [TEST] Flow: Verify all Prometheus targets are UP and present in TSDB
   [INFO] Evaluating PromQL: count(up) >= 37
   ✅ [SUCCESS] TSDB contains 37 targets (Expected >= 37). No missing jobs!
   [INFO] Evaluating PromQL: max_over_time(up[1m]) == 0
   ✅ [SUCCESS] No targets have been continuously DOWN in the last minute!
----------------------------------------
   [INFO] Verifying Blackbox Exporter End-to-End flow...
   ✅ [SUCCESS] Prometheus confirms Blackbox Exporter is successfully executing HTTP probes!
----------------------------------------
   [INFO] Verifying Podman Exporter End-to-End flow (Rootless Socket)...
   ✅ [SUCCESS] Prometheus confirms Podman Exporter is actively reading container metrics from the rootless socket!
----------------------------------------
   [INFO] Verifying Traefik Metrics End-to-End flow...
   ✅ [SUCCESS] Prometheus confirms Traefik is actively exposing internal metrics!

========================================
🔥 Starting End-to-End Pyroscope Profiling Pipeline Test
========================================
🔍 [TEST] Flow: Alloy (Scraper) -> Pyroscope
   [INFO] Verifying profiling metrics flow in Prometheus...
   ✅ [SUCCESS] Prometheus confirms that Alloy is actively scraping and sending profiles to Pyroscope!

========================================
🪣 Starting Storage Verification Test (MinIO)
========================================
🔍 [TEST] Flow: minio-init -> MinIO Buckets
   [INFO] Checking if Loki and Tempo buckets exist in MinIO...
   ✅ [SUCCESS] Bucket 'loki-data' exists.
   ✅ [SUCCESS] Bucket 'tempo-data' exists.
   ✅ [SUCCESS] Bucket 'pyroscope-data' exists.
========================================
🎉 [COMPLETE] All tests completed successfully! Stack is stable.

[tedsluis]

🎉 Production Updated!
The main monitoring stack has been successfully restarted with the code from this PR.