Update main.yml

Author: paulorb

.github/workflows/main.yml

@@ -17,4 +17,4 @@ jobs:
     - name: Run the Gradle package task
       uses: gradle/gradle-build-action@749f47bda3e44aa060e82d7b3ef7e40d953bd629
       with:
-        arguments: -b build
+        arguments: build