Update generate-schema.yml

Author: daveneti

.github/workflows/generate-schema.yml

@@ -29,7 +29,7 @@ jobs:
       # Configure Gradle for optimal use in GitHub Actions, including caching of downloaded dependencies.
       # See: https://github.com/gradle/actions/blob/main/setup-gradle/README.md
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@af1da67850ed9a4cedd57bfd976089dd991e2582 # v4.0.0
+        uses: gradle/actions/setup-gradle@v4
 
       - name: Build with Gradle Wrapper
-        run: generator/gradlew validate
+        run: ./generator/gradlew validate