chore(deps): bump actions/checkout from 5 to 7

.github/workflows/psgallery-watch.yml

@@ -34,7 +34,7 @@ jobs:
   watch:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
 
       - name: Porownaj wersje i odczytaj pobrania
         id: sprawdz

.github/workflows/publish-psgallery.yml

@@ -39,7 +39,7 @@ jobs:
       run:
         shell: pwsh
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
 
       # Limit egzekwowany cudzym formularzem sprawdza sie u siebie - mechanika 4.
       # Gallery odrzuca skrypt bez poprawnego bloku PSScriptInfo, a komunikat

.github/workflows/ready-for-approval.yml

@@ -519,7 +519,7 @@ jobs:
       contents: read
       issues: write
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
       - uses: actions/github-script@v9
         with:
           script: |

.github/workflows/service-healthcheck.yml

@@ -61,7 +61,7 @@ jobs:
       # tools/build-uptime-card.py is read from here; the publishing step
       # itself works in a temporary clone of the orphan `status` branch, which
       # does not contain it.
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
 
       - name: Check TCP + TLS connectivity
         id: check