ci: install Maven in release workflow

Author: jaavid

.github/workflows/release.yml

@@ -23,6 +23,14 @@ jobs:
       - name: Use pre-installed Temurin JDK 17
         run: echo "JAVA_HOME=$JAVA_HOME_17_X64" >> "$GITHUB_ENV"
 
+      - name: Install Maven
+        run: |
+          if ! command -v mvn >/dev/null 2>&1; then
+            sudo apt-get update
+            sudo apt-get install -y maven
+          fi
+          mvn -version
+
       - name: Install dependencies
         run: npm install