fix: build action

.github/workflows/build.yml

@@ -18,6 +18,8 @@ jobs:
           distribution: "microsoft"
       - name: setup gradle
         uses: gradle/actions/setup-gradle@v4
+      - name: make gradle wrapper executable
+        run: chmod +x ./gradlew
       - name: build
         run: ./gradlew build
       - name: capture build artifacts