Wrapper action v4

Author: mannodermaus

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

@@ -1,10 +1,12 @@
 name: "Validate Gradle Wrapper"
-on: [push, pull_request]
+on:
+  push:
+  pull_request:
 
 jobs:
   validation:
     name: "Validation"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - uses: gradle/wrapper-validation-action@v1
+      - uses: actions/checkout@v4
+      - uses: gradle/wrapper-validation-action@v4