Bump pydantic from 2.8.2 to 2.9.0

Bumps [pydantic](https://github.com/pydantic/pydantic) from 2.8.2 to 2.9.0.
- [Release notes](https://github.com/pydantic/pydantic/releases)
- [Changelog](https://github.com/pydantic/pydantic/blob/main/HISTORY.md)
- [Commits](pydantic/pydantic@v2.8.2...v2.9.0)

---
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

@@ -22,7 +22,7 @@ lxml==5.3.0
     # via python-docx
 markupsafe==2.1.5
     # via jinja2
-pydantic==2.8.2
+pydantic==2.9.0
     # via migmose (pyproject.toml)
 pydantic-core==2.20.1
     # via pydantic