feat: Add GitHub Actions workflow for releases

This workflow creates a release with the JAR artifact on every push to the re-write branch.

Author: google-labs-jules[bot]

.github/workflows/release.yml

@@ -0,0 +1,29 @@
+name: Java CI with Maven
+
+on:
+  push:
+    branches: [ "re-write" ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up JDK 21
+      uses: actions/setup-java@v3
+      with:
+        java-version: '21'
+        distribution: 'temurin'
+        cache: maven
+    - name: Build with Maven
+      run: mvn -B package --file pom.xml
+    - name: Create Release
+      uses: "marvinpinto/action-automatic-releases@latest"
+      with:
+        repo_token: "${{ secrets.GITHUB_TOKEN }}"
+        automatic_release_tag: "latest"
+        prerelease: false
+        files: |
+          target/*.jar