Updated GitHub Actions to add Gradle build step.

Author: ianbrandt

.github/workflows/gradle.yml

@@ -36,5 +36,8 @@ jobs:
           build-scan-terms-of-use-url: "https://gradle.com/terms-of-service"
           build-scan-terms-of-use-agree: "yes"
 
-      - name: Build with Gradle Wrapper
+      - name: Run Gradle Help
         run: ./gradlew help
+
+      - name: Run Gradle Build
+        run: ./gradlew build