Update gradle wrapper validation action to v4

Author: cheonjaeung

.github/workflows/ci.yml

@@ -25,7 +25,7 @@ jobs:
           java-version: '17'
 
       - name: Validate gradle wrapper
-        uses: gradle/actions/wrapper-validation@v3
+        uses: gradle/actions/wrapper-validation@v4
 
       - name: Validate binary compatibility
         run: ./gradlew apiCheck