Add workflow to trigger a new release

.github/workflows/trigger-release.yml

@@ -0,0 +1,48 @@
+name: Trigger Release
+on:
+  workflow_dispatch:
+    inputs:
+      releaseVersion:
+        description: 'Version of the next release'
+        required: true
+      developmentVersion:
+        description: 'Version of the next development cycle (must end in "-SNAPSHOT")'
+        required: true
+jobs:
+  trigger-release:
+    runs-on: 'ubuntu-latest'
+    permissions:
+      contents: write
+    env:
+      JAVA_OPTS: "-XX:+TieredCompilation -XX:TieredStopAtLevel=1"
+    steps:
+    - uses: webfactory/ssh-agent@d4b9b8ff72958532804b70bbe600ad43b36d5f2e # v0.8.0
+      with:
+        ssh-private-key: ${{ secrets.SSH_PRIVATE_KEY }}
+    - uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab # v3.5.2
+      with:
+        ssh-key: ${{ secrets.SSH_PRIVATE_KEY }}
+    - name: Set up JDK
+      uses: actions/setup-java@5ffc13f4174014e2d4d4572b3d74c3fa61aeb2c2 # v3
+      with:
+        distribution: 'temurin'
+        java-version: '11'
+        cache: 'maven'
+        server-id: ossrh
+        server-username: ${{ secrets.CI_DEPLOY_USERNAME }}
+        server-password: ${{ secrets.CI_DEPLOY_PASSWORD }}
+        gpg-passphrase: ${{ secrets.GPG_PASSPHRASE }}
+        gpg-private-key: ${{ secrets.GPG_PRIVATE_KEY }}
+    - name: Set up Git
+      run: |
+        git config --global committer.email "[email protected]"
+        git config --global committer.name "Dropwizard Release Action"
+        git config --global author.email "${GITHUB_ACTOR}@users.noreply.github.com"
+        git config --global author.name "${GITHUB_ACTOR}"
+    - name: Prepare release
+      run: ./mvnw -V -B -ntp -Prelease -DreleaseVersion=${{ inputs.releaseVersion }} -DdevelopmentVersion=${{ inputs.developmentVersion }} release:prepare
+    - name: Rollback on failure
+      if: failure()
+      run: |
+        ./mvnw -B release:rollback -Prelease
+        echo "You may need to manually delete the GitHub tag, if it was created."