Update workflow

Author: hteppl

.github/workflows/maven.yml

@@ -15,18 +15,10 @@ jobs:
 
     steps:
       - uses: actions/checkout@v3
-
-      - name: Set up JDK 8
+      - name: Set up JDK 17
         uses: actions/setup-java@v3
         with:
-          java-version: 8
+          java-version: 17
           distribution: "zulu"
-
       - name: Build with Maven
-        run: mvn package
-
-      - name: Upload Artifact
-        uses: actions/upload-artifact@v3
-        with:
-          name: DataManager
-          path: target/*.jar
+        run: mvn package