Update gradle/wrapper-validation-action

Author: ultraq

.github/workflows/build.yml

@@ -1,5 +1,4 @@
 name: build
-
 on: [push, pull_request]
 jobs:
   build:
@@ -9,7 +8,7 @@ jobs:
         java-version: [17, 21]
     steps:
       - uses: actions/checkout@v4
-      - uses: gradle/wrapper-validation-action@v2
+      - uses: gradle/actions/wrapper-validation@v4
       - uses: actions/setup-java@v4
         with:
           distribution: 'temurin'