Update gradle-wrapper-validation to v4

Signed-off-by: Guy Brand <guy@gradle.com>

Author: guylabs

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

@@ -10,4 +10,4 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v3
       - name: Validate
-        uses: gradle/actions/wrapper-validation@v3
+        uses: gradle/actions/wrapper-validation@v4