ci: add publish task

Author: buongarzoni

.github/workflows/ci.yml

@@ -1,10 +1,12 @@
-name: CI (Build & Test)
+name: rollbar-gradle-plugin CI
 
 on:
   pull_request:
   push:
     branches:
-      - "**"   # or restrict to `main` if you prefer
+      - "**"
+  release:
+    types: [published]
 
 jobs:
   test:
@@ -14,7 +16,7 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v4
 
-      - name: Set up JDK
+      - name: Set up JDK 17
         uses: actions/setup-java@v4
         with:
           distribution: temurin
@@ -31,3 +33,25 @@ jobs:
 
       - name: Run tests
         run: ./gradlew test --stacktrace
+
+  publish:
+    name: Publish to Gradle Plugin Portal
+    #if: github.event_name == 'release'
+    runs-on: ubuntu-latest
+    needs: [ test ]
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v4
+        with:
+          distribution: temurin
+          java-version: 17
+
+      - name: Publish plugin
+        run: ./gradlew publishPlugins --stacktrace
+        env:
+          ORG_GRADLE_PROJECT_gradlePublishKey: ${{ secrets.GRADLE_PUBLISH_KEY }}
+          ORG_GRADLE_PROJECT_gradlePublishSecret: ${{ secrets.GRADLE_PUBLISH_SECRET }}