Update actions versions

.github/workflows/gradle.yml

@@ -14,12 +14,12 @@ jobs:
         java-version: [1.8, 11, 17]
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
       - name: Set up JDK ${{ matrix.java-version }}
-        uses: actions/setup-java@v1
+        uses: actions/setup-java@v4
         with:
           java-version: ${{ matrix.java-version }}
 
@@ -27,7 +27,7 @@ jobs:
         run: chmod +x gradlew
 
       - name: Cache Gradle packages
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: |
             ~/.gradle/caches