Add GitHub Actions publish workflow

.github/workflows/publish-release.yml

@@ -0,0 +1,32 @@
+# This workflow will build a package using Gradle and then publish it to GitHub Packages and the Maven Central Repository.
+# For more information see: https://github.com/actions/setup-java#publishing-using-gradle
+
+name: Publish package
+
+on:
+  release:
+    types: [created]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+      with:
+        fetch-depth: 0
+    - name: Set up Java
+      uses: actions/setup-java@v3
+      with:
+        distribution: 'temurin'
+        java-version: 8
+    - name: Build with Gradle
+      run: gradle build
+    - name: Publish package to GitHub Packages and the Maven Central Repository
+      run: gradle publish
+      env:
+        GITHUB_ACTOR: ${{ github.actor }}
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        OSSRH_USERNAME: ${{ secrets.OSSRH_USERNAME }}
+        OSSRH_PASSWORD: ${{ secrets.OSSRH_PASSWORD }}
+        GPG_SIGNING_KEY: ${{ secrets.GPG_SIGNING_KEY }}
+        GPG_SIGNING_PASSWORD: ${{ secrets.GPG_SIGNING_PASSWORD }}