Update GitHub Actions workflow to use latest action versions

Author: minoneer

.github/workflows/build.yml

@@ -13,16 +13,16 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v6
       - name: JDK 21
-        uses: actions/setup-java@v4
+        uses: actions/setup-java@v5
         with:
           java-version: '21'
           distribution: 'temurin'
       - name: Install gettext
         run: sudo apt-get install -y gettext
       - name: Setup Gradle
-        uses: gradle/gradle-build-action@v2
+        uses: gradle/actions/setup-gradle@v5
       - name: Build with Gradle
         run: ./gradlew build translation publishAllPublicationsToStagingRepository --no-daemon --no-configuration-cache