Update Gradle wrapper validation action version

Author: erezrokah

.github/workflows/regen.yml

@@ -20,7 +20,7 @@ jobs:
           java-version: "18"
           cache: "gradle"
       - name: Validate Gradle wrapper
-        uses: gradle/wrapper-validation-action@f9c9c575b8b21b6485636a91ffecd10e558c62f6
+        uses: gradle/actions/wrapper-validation@4d9f0ba0025fe599b4ebab900eb7f3a1d93ef4c2
       - name: Generate code
         run: |
           make clone-proto