Bump quote from 1.0.29 to 1.0.30 in /src/_bcrypt

Bumps [quote](https://github.com/dtolnay/quote) from 1.0.29 to 1.0.30.
- [Release notes](https://github.com/dtolnay/quote/releases)
- [Commits](dtolnay/quote@1.0.29...1.0.30)

---
updated-dependencies:
- dependency-name: quote
  dependency-type: indirect
  update-type: version-update:semver-patch
...

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