upgrade actions

Author: pschichtel

.github/workflows/gradle.yml

@@ -16,13 +16,13 @@ jobs:
         with:
           submodules: recursive
       - name: Set up JDK
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
           java-version: '17'
           distribution: 'temurin'
           cache: gradle
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v3
+        uses: gradle/actions/setup-gradle@v4
       - name: Build
         run: ./gradlew --no-configuration-cache --no-parallel mavenCentralDeploy
         env: