Update PR build

Author: BiyonFernando

.github/workflows/pr-builder.yml

@@ -26,7 +26,7 @@ jobs:
           distribution: "adopt"
       - name: Cache local Maven repository
         id: cache-maven-m2
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         env:
           cache-name: cache-m2
         with: