Use fine-grained access token to read/write samples repo during release

Author: marcphilipp

.github/workflows/release.yml

@@ -81,7 +81,7 @@ jobs:
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           repository: ${{ github.repository_owner }}/junit5-samples
-          token: ${{ secrets.GH_TOKEN }}
+          token: ${{ secrets.JUNIT_BUILDS_GITHUB_TOKEN_SAMPLES_REPO }}
           fetch-depth: 1
           path: junit5-samples
       - name: Set up JDK
@@ -242,7 +242,7 @@ jobs:
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           repository: ${{ github.repository_owner }}/junit5-samples
-          token: ${{ secrets.GH_TOKEN }}
+          token: ${{ secrets.JUNIT_BUILDS_GITHUB_TOKEN_SAMPLES_REPO }}
           fetch-depth: 1
       - name: Set up JDK
         uses: actions/setup-java@c5195efecf7bdfc987ee8bae7a71cb8b11521c00 # v4.7.1