build(deps): bump pydantic from 2.3.0 to 2.7.1 in /Documentation

Bumps [pydantic](https://github.com/pydantic/pydantic) from 2.3.0 to 2.4.0.
- [Release notes](https://github.com/pydantic/pydantic/releases)
- [Changelog](https://github.com/pydantic/pydantic/blob/main/HISTORY.md)
- [Commits](pydantic/pydantic@v2.3.0...v2.4.0)

[ Quentin: The pydantic update requires an update of pydantic_core, too.
    Bump both packages to their latest available version (pydantic 2.7.1
    and pydantic_core 2.18.2). ]

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

Signed-off-by: dependabot[bot] <support@github.com>
Signed-off-by: Quentin Monnet <qmo@qmon.net>

Documentation/requirements.txt

@@ -42,8 +42,8 @@ mistune==2.0.5
 packaging==23.1
 pathspec==0.11.2
 picobox==3.0.0
-pydantic==2.3.0
-pydantic_core==2.6.3
+pydantic==2.7.1
+pydantic_core==2.18.2
 pyenchant==3.2.2
 Pygments==2.16.1
 PyYAML==6.0.1