Added Maven Central release step to release

[skip ci]

Author: Stefterv

.github/workflows/release.yml

@@ -24,6 +24,33 @@ jobs:
           # Set outputs for use in later jobs or steps
           echo "build_number=$BUILD_NUMBER" >> $GITHUB_OUTPUT
           echo "version=$VERSION" >> $GITHUB_OUTPUT
+  publish:
+    name: Create Processing Core Release on Maven Central
+    runs-on: ubuntu-latest
+    needs: version
+    steps:
+    - name: Checkout Repository
+      uses: actions/checkout@v4
+    - name: Setup Java
+      uses: actions/setup-java@v4
+      with:
+        distribution: 'temurin'
+        java-version: 17
+    - name: Setup Gradle
+      uses: gradle/actions/setup-gradle@v4
+    - name: Build with Gradle
+      run: ./gradlew publish
+      env:
+        MAVEN_CENTRAL_USERNAME: ${{ secrets.MAVEN_CENTRAL_USERNAME }}
+        MAVEN_CENTRAL_PASSWORD: ${{ secrets.MAVEN_CENTRAL_PASSWORD }}
+
+        ORG_GRADLE_PROJECT_mavenCentralUsername: ${{ secrets.MAVEN_CENTRAL_USERNAME }}
+        ORG_GRADLE_PROJECT_mavenCentralPassword: ${{ secrets.MAVEN_CENTRAL_PASSWORD }}
+
+        ORG_GRADLE_PROJECT_signingInMemoryKey: ${{ secrets.SIGNING_IN_MEMORY_KEY }}
+        ORG_GRADLE_PROJECT_signingInMemoryKeyPassword: ${{ secrets.SIGNING_IN_MEMORY_KEY_PASSWORD }}
+
+        ORG_GRADLE_PROJECT_version: ${{ needs.version.outputs.version }}
   build: 
     name: Publish Release for ${{ matrix.os_prefix }} (${{ matrix.arch }})
     runs-on: ${{ matrix.os }}
@@ -63,6 +90,9 @@ jobs:
           architecture: ${{ matrix.arch }}
       - name: Setup Ant
         uses: cedx/setup-ant@v3
+      - name: Write to todo.txt
+        run: |
+          echo "${{ needs.version.outputs.build_number }} (${{ needs.version.outputs.version }})" >> todo.txt
       - name: Install Certificates for Code Signing
         if: ${{ matrix.os_prefix == 'macos' }}
         uses: apple-actions/import-codesign-certs@v3