Setup Maven Central Sync Workflow

to execute Gradle task synchronizeWithMavenCentral

Author: puneetbehl

.github/workflows/central-sync.yml

@@ -0,0 +1,26 @@
+name: Maven Central Sync
+on:
+  workflow_dispatch:
+    inputs:
+      release_version:
+        description: 'Release version (eg: 1.2.3)'
+        required: true
+jobs:
+  central-sync:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+        with:
+          ref: v${{ github.event.inputs.release_version }}
+      - uses: gradle/wrapper-validation-action@v1
+      - name: Set up JDK
+        uses: actions/setup-java@v1
+        with:
+          java-version: 1.8
+      - name: Syncs with Maven Central/Sonatype
+        env:
+          BINTRAY_USER: ${{ secrets.BINTRAY_USER }}
+          BINTRAY_KEY: ${{ secrets.BINTRAY_KEY }}
+        run: |
+          ./gradlew synchronizeWithMavenCentral --no-daemon