ci: bump codecov/codecov-action from v1.2.1 to v1.2.2 (#501)

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from v1.2.1 to v1.2.2.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/master/CHANGELOG.md)
- [Commits](codecov/codecov-action@v1.2.1...1f8f3ab)

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

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

.github/workflows/test.yml

@@ -56,4 +56,4 @@ jobs:
           name: coverage-${{ matrix.os }}
           path: coverage
 
-      - uses: codecov/codecov-action@v1.2.1
+      - uses: codecov/codecov-action@v1.2.2