🤖 Bump tiktoken from 0.7.0 to 0.8.0

Bumps [tiktoken](https://github.com/openai/tiktoken) from 0.7.0 to 0.8.0.
- [Release notes](https://github.com/openai/tiktoken/releases)
- [Changelog](https://github.com/openai/tiktoken/blob/main/CHANGELOG.md)
- [Commits](openai/tiktoken@0.7.0...0.8.0)

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

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

requirements.txt

@@ -18,7 +18,7 @@ regex==2024.7.24
     # via tiktoken
 requests==2.32.3
     # via tiktoken
-tiktoken==0.7.0
+tiktoken==0.8.0
     # via -r requirements.in
 tqdm==4.66.5
     # via -r requirements.in