Update GH actions checkout and setup-java

Author: dadoonet

.github/workflows/pr.yml

@@ -11,9 +11,9 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Set up JDK 17 and Maven Central Repository
-      uses: actions/setup-java@v2
+      uses: actions/setup-java@v4
       with:
         java-version: '17'
         distribution: 'adopt'