Update action versions

Author: ajoberstar

.github/workflows/ci.yaml

@@ -17,7 +17,7 @@ jobs:
           fetch-depth: 0
 
       - name: Setup Java
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
           distribution: temurin
           java-version: |
@@ -27,8 +27,8 @@ jobs:
             21
 
       - name: Validate Gradle Wrapper
-        uses: gradle/wrapper-validation-action@v1
+        uses: gradle/actions/wrapper-validation@v4
       - name: Setup Gradle
-        uses: gradle/gradle-build-action@v2
+        uses: gradle/actions/setup-gradle@v4
       - name: Gradle check
         run: ./gradlew check