build(deps): bump pydantic from 2.6.2 to 2.6.4

Bumps [pydantic](https://github.com/pydantic/pydantic) from 2.6.2 to 2.6.4.
- [Release notes](https://github.com/pydantic/pydantic/releases)
- [Changelog](https://github.com/pydantic/pydantic/blob/main/HISTORY.md)
- [Commits](pydantic/pydantic@v2.6.2...v2.6.4)

---
updated-dependencies:
- dependency-name: pydantic
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

requirements.txt

@@ -30,7 +30,7 @@ multidict==6.0.5
     # via
     #   aiohttp
     #   yarl
-pydantic==2.6.2
+pydantic==2.6.4
     # via tmdsclient (pyproject.toml)
 pydantic-core==2.16.3
     # via pydantic