build(deps-dev): bump @cypress/code-coverage from 3.11.0 to 3.12.3

Bumps [@cypress/code-coverage](https://github.com/cypress-io/code-coverage) from 3.11.0 to 3.12.3.
- [Release notes](https://github.com/cypress-io/code-coverage/releases)
- [Changelog](https://github.com/cypress-io/code-coverage/blob/master/.releaserc)
- [Commits](cypress-io/code-coverage@v3.11.0...v3.12.3)

---
updated-dependencies:
- dependency-name: "@cypress/code-coverage"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>