Update tokenizers requirement from <0.20,>=0.10 to >=0.10,<0.22

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@rust-v0.10.0...v0.21.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

pyproject.toml

@@ -34,7 +34,7 @@ dependencies = [
     "system_info",
     "tensorboardx",
     "torchmetrics >= 0.9, < 2.0",
-    "tokenizers >= 0.10, < 0.20",
+    "tokenizers >= 0.10, < 0.22",
     "tomli",
     "torch >= 2.0, < 2.4",
     "transformers >= 4.19.0, < 4.41.0, != 4.23.0, != 4.23.1",