Changed: Bump actions/checkout from 4 to 6 (#4859)

Bumps [actions/checkout](https://github.com/actions/checkout) from 4 to 6.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](https://github.com/actions/checkout/compare/v4...v6)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Fredrik Fornwall <fredrik@fornwall.net>

.github/workflows/attach_debug_apks_to_release.yml

@@ -17,7 +17,7 @@ jobs:
 
     steps:
       - name: Clone repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           ref: ${{ env.GITHUB_REF }}
 

.github/workflows/debug_build.yml

@@ -19,7 +19,7 @@ jobs:
 
     steps:
       - name: Clone repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Build APKs
         shell: bash {0}

.github/workflows/dependency-submission.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout sources
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
     - name: Setup Java
       uses: actions/setup-java@v5
       with:

.github/workflows/gradle-wrapper-validation.yml

@@ -15,5 +15,5 @@ jobs:
     name: "Validation"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
-      - uses: gradle/actions/wrapper-validation@5
+      - uses: actions/checkout@v6
+      - uses: gradle/actions/wrapper-validation@5

.github/workflows/run_tests.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Clone repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
     - name: Execute tests
       run: |
         ./gradlew test