Bump codecov/codecov-action from 2 to 3 (#107)

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 2 to 3.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](codecov/codecov-action@v2...v3)

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

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

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

Author: dependabot[bot]

.github/workflows/coverage.yml

@@ -51,7 +51,7 @@ jobs:
           TEST_HOST: ssh://test-user@localhost:2222
           XDG_RUNTIME_DIR: /tmp
       - name: Upload to codecov.io
-        uses: codecov/codecov-action@v2
+        uses: codecov/codecov-action@v3
         with:
           fail_ci_if_error: true
     services: