Update hcx-pipeline-docker-build.yml

Author: saurabh-singh-17

.github/workflows/hcx-pipeline-docker-build.yml

@@ -21,7 +21,7 @@ jobs:
           java-version: 11
 
       - name: Cache Maven dependencies
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: ~/.m2/repository
           key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
@@ -57,4 +57,4 @@ jobs:
         with:
           aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
           aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
-          aws-region: ap-south-1
+          aws-region: ap-south-1