[github-action] Bump actions/checkout from 5 to 6 (#556)

Bumps [actions/checkout](https://github.com/actions/checkout) from 5 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/v5...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>

.github/workflows/release.yml

@@ -13,7 +13,7 @@ jobs:
         python-version: ["3.8"]
     steps:
     - name: Checkout the repo
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     - name: Run unit-test
       run: script -e -c "./app.sh test emulator test 11.0 && sudo mv tmp/* ."
@@ -23,7 +23,7 @@ jobs:
     needs: run_test
     steps:
     - name: Checkout the repo
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     - name: Get release version
       run: echo "RELEASE_VERSION=${GITHUB_REF#refs/*/}" >> $GITHUB_ENV
@@ -42,7 +42,7 @@ jobs:
         android: ["9.0", "10.0", "11.0", "12.0", "13.0", "14.0"]
     steps:
     - name: Checkout the repo
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     - name: Set up Docker Buildx
       uses: docker/setup-buildx-action@v3
@@ -67,7 +67,7 @@ jobs:
     needs: release_base
     steps:
     - name: Checkout the repo
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     - name: Set up Docker Buildx
       uses: docker/setup-buildx-action@v3

.github/workflows/test-on-demand.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
     - name: Checkout the repo
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     - name: Set up Docker Buildx
       uses: docker/setup-buildx-action@v3

.github/workflows/test.yml

@@ -11,7 +11,7 @@ jobs:
     if: github.event_name == 'push' && github.ref == 'refs/heads/master' && github.actor == 'budtmo'
     steps:
     - name: Checkout the repo
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     - name: Set up Docker Buildx
       uses: docker/setup-buildx-action@v3