Bump codecov/codecov-action from 3.0.0 to 3.1.0 (#5310)

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 3.0.0 to 3.1.0.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/master/CHANGELOG.md)
- [Commits](https://github.com/codecov/codecov-action/compare/e3c560433a6cc60aec8812599b7844a7b4fa0d71...81cd2dc8148241f03f5839d295e000b8f761e378)

---
updated-dependencies:
- dependency-name: codecov/codecov-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/test-go.yaml

@@ -64,7 +64,7 @@ jobs:
         TEST_LOCK_FILE_PATH=$(pwd)/lock NETWORK_TEST=1 REDIS_TEST=1 MYSQL_TEST=1 RACE_ENABLED=$RACE_ENABLED GO_TEST_TIMEOUT=$GO_TEST_TIMEOUT make test-go
 
     - name: Upload to Codecov
-      uses: codecov/codecov-action@e3c560433a6cc60aec8812599b7844a7b4fa0d71
+      uses: codecov/codecov-action@81cd2dc8148241f03f5839d295e000b8f761e378
       with:
         files: coverage.txt