build(deps): bump codecov/codecov-action from 2.0.3 to 2.1.0

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 2.0.3 to 2.1.0.
- [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/v2.0.3...v2.1.0)

---
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>

.github/workflows/ci.yml

@@ -163,7 +163,7 @@ jobs:
           command: tarpaulin
           args: --all-features --release --timeout 600 --out Xml
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v2.0.3
+        uses: codecov/codecov-action@v2.1.0
 
   doc-links:
     name: Intra-doc links