Update GitHub actions versions checkout, setup-java, setup-gradle and wrapper-validation (#255)

Author: hduelme

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

@@ -6,5 +6,5 @@ jobs:
     name: "Validation"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
-      - uses: gradle/actions/wrapper-validation@v4
+      - uses: actions/checkout@v6
+      - uses: gradle/actions/wrapper-validation@v5

.github/workflows/main.yml

@@ -20,14 +20,14 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: 'Checkout'
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: 'Set up JDK'
-        uses: actions/setup-java@v4
+        uses: actions/setup-java@v5
         with:
           distribution: 'zulu'
           java-version: ${{ matrix.version.jdk }}
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v4
+        uses: gradle/actions/setup-gradle@v5
       - name: 'Test'
         run: ./gradlew --warning-mode=all build
       - name: 'Generate coverage report'