Use non-deprecated github action

For Doist/platform-backlog#983

Author: artyom

.github/workflows/gradle-wrapper-validation.yml

@@ -16,4 +16,4 @@ jobs:
       - name: Checkout latest code
         uses: actions/checkout@v4
       - name: Validate Gradle Wrapper
-        uses: gradle/wrapper-validation-action@v1
+        uses: gradle/actions/wrapper-validation@v4