update GitHub Actions workflow to use actions/upload-artifact@v4 for coverage report uploads

Author: harshitha-cstk

.github/workflows/coverage-check.yml

@@ -67,7 +67,7 @@ jobs:
 
       - name: Upload coverage reports
         if: always()
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: coverage-report
           path: |