chore(deps): bump pydantic in /apps/api in the api-python group

Bumps the api-python group in /apps/api with 1 update: [pydantic](https://github.com/pydantic/pydantic).


Updates `pydantic` from 2.7.2 to 2.7.3
- [Release notes](https://github.com/pydantic/pydantic/releases)
- [Changelog](https://github.com/pydantic/pydantic/blob/main/HISTORY.md)
- [Commits](pydantic/pydantic@v2.7.2...v2.7.3)

---
updated-dependencies:
- dependency-name: pydantic
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: api-python
...

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