ci(release): simplify pub dev publishing

.github/workflows/github-release.yml

@@ -16,7 +16,6 @@ jobs:
 
     outputs:
       tag_name: ${{ steps.read-changelog.outputs.version }}
-      github-app-token: ${{ steps.app-token.outputs.token }}
 
     steps:
       - name: Generate Token for sbb-app-bakery GH App
@@ -50,13 +49,10 @@ jobs:
       - name: Clone Repository
         uses: actions/checkout@v4
         with:
-          token: ${{ needs.create-tag.outputs.github-app-token }}
           ref: refs/tags/${{ needs.create-tag.outputs.tag_name }}
-          persist-credentials: false
 
       - name: Create GitHub Releases based on changelog
         uses: taiki-e/[email protected]
         with:
-          token: ${{ needs.create-tag.outputs.github-app-token }}
           ref: refs/tags/${{ needs.create-tag.outputs.tag_name }}
           changelog: ./CHANGELOG.md

.github/workflows/pubdev-release.yml

@@ -5,20 +5,8 @@ on:
     tags:
       - "[0-9]+.[0-9]+.[0-9]+" # tag pattern on pub.dev: '{{version}}'
 
-# Publish using custom workflow
 jobs:
   publish:
     permissions:
-      id-token: write # Required for authentication using OIDC
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-
-      - uses: subosito/flutter-action@v2
-        with:
-          channel: stable
-          cache: true
-      - run: flutter doctor -v
-      - run: flutter pub get
-      - run: dart run build_runner build --delete-conflicting-outputs
-      - run: flutter pub publish --force
+      id-token: write
+    uses: dart-lang/setup-dart/.github/workflows/publish.yml@v1