chore(deps): update codecov/codecov-action action to v4

Author: renovate[bot]

.github/workflows/ci.yml

@@ -36,7 +36,7 @@ jobs:
           DEVSTACK_WORKSPACE=$PWD/.. docker-compose -f docker-compose.yml -f docker-compose-host.yml run -v $PWD/../edx-sysadmin:/edx-sysadmin lms /edx-sysadmin/run_devstack_integration_tests.sh
 
       - name: Upload coverage to CodeCov
-        uses: codecov/codecov-action@v1
+        uses: codecov/codecov-action@v4
         with:
           file: ./coverage.xml
           fail_ci_if_error: true