Update action script

Author: rdasgupt

.github/workflows/main.yaml

@@ -30,5 +30,5 @@ jobs:
           java-version: ${{ matrix.java }}
           java-package: jdk # optional (jdk, jre, jdk+fx or jre+fx)
       - name: Package and test with Maven
-        run: mvn package
+        run: mvn package -DskipTests