Bump zeroize from 1.7.0 to 1.8.1 in /src/_bcrypt (#809)

Bumps [zeroize](https://github.com/RustCrypto/utils) from 1.7.0 to 1.8.1.
- [Commits](https://github.com/RustCrypto/utils/compare/zeroize-v1.7.0...zeroize-v1.8.1)

---
updated-dependencies:
- dependency-name: zeroize
  dependency-type: indirect
  update-type: version-update:semver-minor
...

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

src/_bcrypt/Cargo.lock

@@ -470,6 +470,6 @@ checksum = "bec47e5bfd1bff0eeaf6d8b485cc1074891a197ab4225d504cb7a1ab88b02bf0"
 
 [[package]]
 name = "zeroize"
-version = "1.7.0"
+version = "1.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "525b4ec142c6b68a2d10f01f7bbf6755599ca3f81ea53b8431b7dd348f5fdb2d"
+checksum = "ced3678a2879b30306d323f4542626697a464a97c0a07c9aebf7ebca65cd4dde"