Bump codecov/codecov-action from 3.0.0 to 3.1.0

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/v3.0.0...v3.1.0)

---
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/main.yml

@@ -33,7 +33,7 @@ jobs:
 
       - run: bundle exec rspec
 
-      - uses: codecov/codecov-action@v3.0.0
+      - uses: codecov/codecov-action@v3.1.0
         with:
           name: ${{ matrix.ruby }}
           file: ./coverage/coverage.xml