Bump bcrypt from 0.15.1 to 0.16.0 in /src/_bcrypt (#912)

Bumps [bcrypt](https://github.com/Keats/rust-bcrypt) from 0.15.1 to 0.16.0.
- [Commits](Keats/rust-bcrypt@v0.15.1...v0.16.0)

---
updated-dependencies:
- dependency-name: bcrypt
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

src/_bcrypt/Cargo.lock

@@ -7,7 +7,7 @@ publish = false
 
 [dependencies]
 pyo3 = { version = "0.23", features = ["abi3"] }
-bcrypt = "0.15"
+bcrypt = "0.16"
 bcrypt-pbkdf = "0.10.0"
 base64 = "0.22.1"
 subtle = "2.6"