Replace set output, deprecated

Author: sfuhrm

.github/workflows/maven-release.yml

@@ -25,7 +25,7 @@ jobs:
     - name: Build with Maven
       run: mvn -B package --file pom.xml
     - name: Extract current maven version
-      run: echo "::set-output name=version::$(mvn org.apache.maven.plugins:maven-help-plugin:3.1.0:evaluate -Dexpression=project.version -q -DforceStdout)"
+      run: echo "version=$(mvn org.apache.maven.plugins:maven-help-plugin:3.1.0:evaluate -Dexpression=project.version -q -DforceStdout)" >> $GITHUB_OUTPUT
       id: version
       shell: bash
     - uses: actions/upload-artifact@v4