fix: switch mssql image to ghcr mirror to avoid flaky mcr registry

[rochdev]

Summary

• Replaces mcr.microsoft.com/mssql/server:2022-latest with the GHCR mirror ghcr.io/datadog/system-tests/mcr.microsoft.com/mssql/server:2022-latest
• The MCR registry has been flaky, causing intermittent test failures; the GHCR mirror follows the same convention used by the existing mirror-image.yml workflow

Test plan

• Verify mssql-dependent integration tests pass in CI

Generated by Claude Code

[github-actions]

CODEOWNERS have been resolved as:

utils/_context/containers.py                                            @DataDog/system-tests-core

[datadog-datadog-prod-us1]

 

✨ Fix all issues with BitsAI

⚠️ Warnings

🚦 108 Pipeline jobs failed

Testing the test | System Tests (java, prod) / End-to-end #2 / akka-http 2     

🔧 Fix in code (Fix with Cursor).

Test failure in test_blocking_addresses.py:591 while asserting WAF attack with rule 'tst-037-004'.

🧪 1 Test failed

tests.appsec.test_blocking_addresses.Test_Blocking_request_body_multipart.test_blocking[akka-http] from system_tests_suite   (Fix with Cursor)

ValueError: No appsec event validate this condition

self = <tests.appsec.test_blocking_addresses.Test_Blocking_request_body_multipart object at 0x7f3d685aff20>

    def test_blocking(self):
        """Can block on server.request.body (multipart/form-data variant)"""
    
>       interfaces.library.assert_waf_attack(self.rbmp_req, rule="tst-037-004")

tests/appsec/test_blocking_addresses.py:591: 
...

DataDog/system-tests | Ubuntu_20_amd64.INS: [test-app-java-container]     

🔧 Fix in code (Fix with Cursor).

3 failed tests due to assertion errors in virtual machine provisioning steps: previous errors must be addressed from Ubuntu_20_amd64.log.

DataDog/system-tests | Ubuntu_23_10_arm64.CON: [test-app-java-alpine]     

🔧 Fix in code (Fix with Cursor).

AssertionError: There are previous errors in the virtual machine provisioning steps.

View all 108 failed jobs.

ℹ️ Info

No other issues found (see more)

❄️ No new flaky tests detected

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[cbeauchesne]

Could you run a test PR on dd-trace-js to be sure it's working. I'd be more confortable since some repo are using direclty system-tests main branch without any pin