add stages to action

.gitea/workflows/maven.yml

@@ -23,7 +23,11 @@ jobs:
       - name: Build with Maven
         run: mvn -B package --file pom.xml
       - name: Upload Artifact
+        run: mvn --batch-mode --update-snapshots verify
+      - name: Stage 1
+        run: mkdir staging && cp target/*.jar staging
+      - name: Stage 2
         uses: actions/upload-artifact@v3
         with:
-          name: target
+          name: Package
-          path: target
+          path: staging