ci: switch pub.dev publishing to GitHub OIDC

.github/workflows/publish.yml

@@ -0,0 +1,30 @@
+name: Publish to pub.dev
+
+on:
+  push:
+    tags:
+      # Configure the same tag pattern on pub.dev: v{{version}}.
+      - 'v[0-9]+.[0-9]+.[0-9]+'
+
+jobs:
+  publish:
+    name: Publish package
+    environment: 'pub.dev'
+    permissions:
+      contents: read
+      id-token: write
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: subosito/flutter-action@v2
+        with:
+          channel: stable
+
+      - uses: dart-lang/setup-dart@v1
+
+      - name: Install dependencies
+        run: flutter pub get
+
+      - name: Publish
+        run: flutter pub publish --force

.github/workflows/release.yml

@@ -7,20 +7,14 @@ on:
 
 jobs:
   package_and_publish:
-    name: Package and Publish
+    name: Prepare Release
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
         with:
           token: ${{ secrets.REPO_DEPLOYMENT_TOKEN }}
-      - uses: google-github-actions/auth@v2
-        with:
-          credentials_json: '${{ secrets.GOOGLE_CREDENTIALS }}'
-      - uses: subosito/flutter-action@v2
-        with:
-          channel: 'stable'
-      - run: flutter pub get
-      - run: gcloud auth print-identity-token --audiences=https://pub.dev | dart pub token add https://pub.dev
+      # semantic-release updates the version, commits changelog changes,
+      # and pushes the release tag that triggers the pub.dev publish workflow.
       - name: release
         uses: cycjimmy/semantic-release-action@v4
         with:

.releaserc.json

@@ -1,21 +1,14 @@
 {
   "$schema": "https://json.schemastore.org/semantic-release",
-  "branches": [
-    "main",
-    {
-      "name": "next",
-      "prerelease": "prerelease"
-    }
-  ],
+  "branches": ["main"],
   "plugins": [
     "@semantic-release/commit-analyzer",
     "@semantic-release/release-notes-generator",
     "@semantic-release/changelog",
     [
       "@semantic-release/exec",
       {
-        "prepareCmd": "sed -i 's/^version: .*$/version: ${nextRelease.version}/' pubspec.yaml",
-        "publishCmd": "flutter pub publish -f"
+        "prepareCmd": "sed -i 's/^version: .*$/version: ${nextRelease.version}/' pubspec.yaml"
       }
     ],
     [

CHANGELOG.md

@@ -11,7 +11,7 @@
 
 ### BREAKING CHANGES
 
-* * Updates minimum supported SDK version to Dart 3.8.
+* Updates minimum supported SDK version to Dart 3.8.
 * Use build 4.0.0
 
 # [5.1.0](https://github.com/smartive/flutter-design-system-generator/compare/v5.0.0...v5.1.0) (2025-02-25)