chore(deps): bump actions/checkout from 4 to 5 (#153)

Bumps [actions/checkout](https://github.com/actions/checkout) from 4 to 5.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v4...v5)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/publish.yml

@@ -33,7 +33,7 @@ jobs:
     steps:
       - id: checkout
         name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - id: read_version_from_pubspec
         name: Read version from pubspec
         working-directory: packages/${{ matrix.package }}

.github/workflows/test.yml

@@ -35,7 +35,7 @@ jobs:
     steps:
       - id: checkout
         name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - id: setup_dart
         name: Setup Dart SDK
         uses: dart-lang/setup-dart@v1
@@ -88,7 +88,7 @@ jobs:
     steps:
       - id: checkout
         name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - id: setup_dart
         name: Setup Dart SDK
         uses: dart-lang/setup-dart@v1