Directly invoke Gradle in GitHub Actions

Author: hannesbraun

.github/workflows/build.yml

@@ -26,6 +26,4 @@ jobs:
     - name: Grant execute permission for gradlew
       run: chmod +x gradlew
     - name: Build
-      run:  |
-        cd scripts
-        ./build.sh
+      run: ./gradlew binDir macOSApp

.github/workflows/release.yml

@@ -21,9 +21,7 @@ jobs:
         run: chmod +x gradlew
       - name: Build
         run:  |
-          cd scripts
-          ./build.sh
-          cd ..
+          ./gradlew binDir macOSApp
           tar czf RoboViz.tar.gz bin/
       - name: Create Release
         id: create-release