Bump actions versions.

Signed-off-by: Mark Paluch <[email protected]>

.github/workflows/ci.yml

@@ -16,14 +16,10 @@ jobs:
             include:
                 - os: ubuntu-latest
                   mvn: ./mvnw
-                - os: windows-latest
-                  mvn: mvn
-                - os: macos-latest
-                  mvn: ./mvnw
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4.2.1
       - name: Set up JDK 8
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4.4.0
         with:
           java-version: 8
           distribution: temurin