ci: add release-to-central workflow

Signed-off-by: Daniel Garnier-Moiroux <[email protected]>

Author: Kehrlann

.github/workflows/maven-central-release.yml

@@ -0,0 +1,36 @@
+name: Release to Maven Central
+
+on:
+  workflow_dispatch:
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      
+      - name: Set up Java
+        uses: actions/setup-java@v4
+        with:
+          java-version: '17'
+          distribution: 'temurin'
+          cache: 'maven'
+          server-id: central
+          server-username: MAVEN_USERNAME
+          server-password: MAVEN_PASSWORD
+          gpg-private-key: ${{ secrets.GPG_SECRET_KEY }}
+          gpg-passphrase: MAVEN_GPG_PASSPHRASE
+          
+      - name: Build and Test
+        run: mvn clean verify
+
+      - name: Publish to Maven Central
+        run: |
+          mvn --batch-mode \
+            -Prelease \
+            -Pjavadoc \
+            deploy
+        env:
+          MAVEN_USERNAME: ${{ secrets.MAVEN_USERNAME }}
+          MAVEN_PASSWORD: ${{ secrets.MAVEN_PASSWORD }}
+          MAVEN_GPG_PASSPHRASE: ${{ secrets.SIGNING_PASSPHRASE }}