Bump actions/checkout from 5.0.0 to 6.0.0

Bumps [actions/checkout](https://github.com/actions/checkout) from 5.0.0 to 6.0.0.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@08c6903...1af3b93)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/code-analysis.yml

@@ -22,7 +22,7 @@ jobs:
   format-and-analyze:
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
       - uses: subosito/flutter-action@fd55f4c5af5b953cc57a2be44cb082c8f6635e8e # v2.21.0
         with:
           flutter-version: ${{ env.FLUTTER_VERSION }}
@@ -58,7 +58,7 @@ jobs:
     permissions:
       checks: write # to publish the report
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
       - uses: axel-op/dart-package-analyzer@7a6c3c66bce78d82b729a1ffef2d9458fde6c8d2 # v3
         id: analysis # set an id for the current step
         with:
@@ -79,7 +79,7 @@ jobs:
     permissions:
       checks: write # to publish the report
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
       # Prefer running on Ubuntu over Dart Docker image
       - uses: dart-lang/setup-dart@e51d8e571e22473a2ddebf0ef8a2123f0ab2c02c # v1.7.1
         with:

.github/workflows/test.yml

@@ -30,7 +30,7 @@ jobs:
   generator-integ-tests:
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
       # Prefer running on Ubuntu over Dart Docker image
       - uses: dart-lang/setup-dart@e51d8e571e22473a2ddebf0ef8a2123f0ab2c02c # v1.7.1
         with:
@@ -46,7 +46,7 @@ jobs:
   init-script:
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
       - uses: subosito/flutter-action@fd55f4c5af5b953cc57a2be44cb082c8f6635e8e # v2.21.0
         with:
           flutter-version: ${{ env.FLUTTER_VERSION }}
@@ -74,7 +74,7 @@ jobs:
       - uses: dart-lang/setup-dart@e51d8e571e22473a2ddebf0ef8a2123f0ab2c02c # v1.7.1
         with:
           sdk: ${{ matrix.sdk }}
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
       - name: Generator Test
         working-directory: generator
         run: |
@@ -126,7 +126,7 @@ jobs:
             jdk: 17
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
       - uses: subosito/flutter-action@fd55f4c5af5b953cc57a2be44cb082c8f6635e8e # v2.21.0
         with:
           flutter-version: ${{ matrix.flutter-version }}