build(deps): bump pydantic from 2.8.2 to 2.12.0

Bumps [pydantic](https://github.com/pydantic/pydantic) from 2.8.2 to 2.12.0.
- [Release notes](https://github.com/pydantic/pydantic/releases)
- [Changelog](https://github.com/pydantic/pydantic/blob/main/HISTORY.md)
- [Commits](pydantic/pydantic@v2.8.2...v2.12.0)

---
updated-dependencies:
- dependency-name: pydantic
  dependency-version: 2.12.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements.txt

@@ -1,6 +1,6 @@
 openai==1.101.0
 loguru==0.7.3
-pydantic==2.8.2
+pydantic==2.12.0
 pydantic-settings==2.4.0
 pydantic_core==2.20.1
 g4f[slim]==0.6.0.3