[Build] Adapt Github workflows to parallel build

and enable batch-mode to reduce download progress print-out.

Part of #120

.github/workflows/build.yml

@@ -31,7 +31,7 @@ jobs:
       with:
         maven-version: 3.9.2
     - name: Build with Maven
-      run: mvn clean verify -Pepp.package.${{ matrix.package }}
+      run: mvn clean verify -B -Pepp.p2.${{ matrix.package }} -Pepp.product.${{ matrix.package }} -Pepp.p2.common
     - name: Upload bundle information
       uses: actions/upload-artifact@v3
       if: success() || failure()