Bump regex-syntax from 0.7.4 to 0.7.5

Bumps [regex-syntax](https://github.com/rust-lang/regex) from 0.7.4 to 0.7.5.
- [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)

---
updated-dependencies:
- dependency-name: regex-syntax
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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