build(deps): bump simplecov from 0.18.5 to 0.19.0 in /Library/Homebrew

Bumps [simplecov](https://github.com/simplecov-ruby/simplecov) from 0.18.5 to 0.19.0.
- [Release notes](https://github.com/simplecov-ruby/simplecov/releases)
- [Changelog](https://github.com/simplecov-ruby/simplecov/blob/main/CHANGELOG.md)
- [Commits](https://github.com/simplecov-ruby/simplecov/compare/v0.18.5...v0.19.0

)

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