Update tokenizers requirement from 0.21.1 to 0.22.1

Updates the requirements on [tokenizers](https://github.com/huggingface/tokenizers) to permit the latest version.
- [Release notes](https://github.com/huggingface/tokenizers/releases)
- [Changelog](https://github.com/huggingface/tokenizers/blob/main/RELEASE.md)
- [Commits](huggingface/tokenizers@v0.21.1...v0.22.1)

---
updated-dependencies:
- dependency-name: tokenizers
  dependency-version: 0.22.1
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Cargo.toml

@@ -44,7 +44,7 @@ ort = { version = "=2.0.0-rc.10", default-features = false, optional = true, fea
   "std",
 ] }
 hf-hub = { version = "0.4.3", default-features = false, features = ["ureq", "native-tls"] }
-tokenizers = { version = "0.21.1" }
+tokenizers = { version = "0.22.1" }
 slsl = { version = "0.0.6", features = ["rayon"] }