build(deps): bump actions/checkout from 4 to 7

.github/workflows/build.yml

@@ -23,7 +23,7 @@ jobs:
     name: Repository hygiene
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
         with:
           # Full history so every commit message in the range can be inspected.
           fetch-depth: 0
@@ -49,7 +49,7 @@ jobs:
     name: Build, test and coverage
     runs-on: windows-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - uses: actions/setup-dotnet@v4
         with:

.github/workflows/integration.yml

@@ -26,7 +26,7 @@ jobs:
     runs-on: windows-latest
     timeout-minutes: 45
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - uses: actions/setup-dotnet@v4
         with:

.github/workflows/release.yml

@@ -20,7 +20,7 @@ jobs:
     name: Build, test and package (unsigned workflow artifact)
     runs-on: windows-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0