Deps: Bump the python-packages group with 3 updates

Bumps the python-packages group with 3 updates: [httpcore](https://github.com/encode/httpcore), [lxml](https://github.com/lxml/lxml) and [pydantic](https://github.com/pydantic/pydantic).


Updates `httpcore` from 1.0.4 to 1.0.5
- [Release notes](https://github.com/encode/httpcore/releases)
- [Changelog](https://github.com/encode/httpcore/blob/master/CHANGELOG.md)
- [Commits](encode/httpcore@1.0.4...1.0.5)

Updates `lxml` from 5.1.0 to 5.2.0
- [Release notes](https://github.com/lxml/lxml/releases)
- [Changelog](https://github.com/lxml/lxml/blob/master/CHANGES.txt)
- [Commits](lxml/lxml@lxml-5.1.0...lxml-5.2.0)

Updates `pydantic` from 1.10.14 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@v1.10.14...v2.6.4)

---
updated-dependencies:
- dependency-name: httpcore
  dependency-type: indirect
  update-type: version-update:semver-patch
  dependency-group: python-packages
- dependency-name: lxml
  dependency-type: indirect
  update-type: version-update:semver-minor
  dependency-group: python-packages
- dependency-name: pydantic
  dependency-type: indirect
  update-type: version-update:semver-major
  dependency-group: python-packages
...

Signed-off-by: dependabot[bot] <[email protected]>