build(deps): bump pydantic from 2.7.3 to 2.9.1

Bumps [pydantic](https://github.com/pydantic/pydantic) from 2.7.3 to 2.9.1.
- [Release notes](https://github.com/pydantic/pydantic/releases)
- [Changelog](https://github.com/pydantic/pydantic/blob/main/HISTORY.md)
- [Commits](https://github.com/pydantic/pydantic/compare/v2.7.3...v2.9.1)

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

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

requirements.txt

@@ -26,7 +26,7 @@ protobuf==5.27.3
 pyasn1==0.5.1
 pyasn1-modules==0.3.0
 pycparser==2.22
-pydantic==2.7.3
+pydantic==2.9.1
 pydantic-core==2.18.4
 xmltodict==0.13.0
 pyelftools==0.31