Update gradle.yml

Author: MatisseAD

.github/workflows/gradle.yml

@@ -28,6 +28,8 @@ jobs:
       with:
         java-version: '8'
         distribution: 'temurin'
+    - name: Run CHMOD
+      run: chmod +x gradlew
     - name: Build with Gradle
       uses: gradle/gradle-build-action@67421db6bd0bf253fb4bd25b31ebb98943c375e1
       with: