Made gradlew executable

Author: KodingDev

.github/workflows/build.yml

@@ -26,7 +26,9 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-gradle-
       - name: Build with Gradle
-        run: ./gradlew buildPlugin
+        run: |
+          chmod +x ./gradlew
+          ./gradlew buildPlugin
       - name: Cleanup Gradle Cache
         # Remove some files from the Gradle cache, so they aren't cached by GitHub Actions.
         # Restoring these files from a GitHub Actions cache might cause problems for future builds.