Update gradle.yml

Updated gradlew permissions and run condition

.github/workflows/gradle.yml

@@ -7,11 +7,7 @@
 
 name: Java CI with Gradle
 
-on:
-  push:
-    branches: [ "master" ]
-  pull_request:
-    branches: [ "master" ]
+on: push
 
 jobs:
   build:
@@ -33,6 +29,9 @@ jobs:
     - name: Setup Gradle
       uses: gradle/actions/setup-gradle@af1da67850ed9a4cedd57bfd976089dd991e2582 # v4.0.0
 
+    - name: Update permissions
+      run: chmod +x gradlew
+
     - name: Build with Gradle Wrapper
       run: ./gradlew build