Update pydantic requirement from ~=2.8.2 to ~=2.9.2

Updates the requirements on [pydantic](https://github.com/pydantic/pydantic) to permit the latest version.
- [Release notes](https://github.com/pydantic/pydantic/releases)
- [Changelog](https://github.com/pydantic/pydantic/blob/main/HISTORY.md)
- [Commits](pydantic/pydantic@v2.8.2...v2.9.2)

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

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

requirements.txt

@@ -1,4 +1,4 @@
 python-telegram-bot~=21.5
 gql[aiohttp]~=3.5.0
-pydantic~=2.8.2
+pydantic~=2.9.2
 pydantic-yaml~=1.3.0