build(deps): bump regex-syntax from 0.6.22 to 0.6.23
Bumps [regex-syntax](https://github.com/rust-lang/regex) from 0.6.22 to 0.6.23.
- [Release notes](https://github.com/rust-lang/regex/releases)
- [Changelog](https://github.com/rust-lang/regex/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rust-lang/regex/commits)
Signed-off-by: dependabot-preview[bot] <support@dependabot.com>