upgrading upload artifact to v4 (#3162) (#3166)

Signed-off-by: Dhrubo Saha <[email protected]>
(cherry picked from commit 5d2855f)

Co-authored-by: Dhrubo Saha <[email protected]>

Author: opensearch-trigger-bot[bot]

.github/workflows/CI-workflow.yml

@@ -82,7 +82,7 @@ jobs:
           flags: ml-commons
           token: ${{ secrets.CODECOV_TOKEN }}
 
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: ml-plugin-linux-${{ matrix.java }}
           path: ${{ steps.step-build-test-linux.outputs.build-test-linux }}