chore(deps): bump the main-deps group with 2 updates

Bumps the main-deps group with 2 updates: [pydantic](https://github.com/pydantic/pydantic) and [httpx](https://github.com/encode/httpx).


Updates `pydantic` from 2.10.6 to 2.11.7
- [Release notes](https://github.com/pydantic/pydantic/releases)
- [Changelog](https://github.com/pydantic/pydantic/blob/main/HISTORY.md)
- [Commits](pydantic/pydantic@v2.10.6...v2.11.7)

Updates `httpx` from 0.27.2 to 0.28.1
- [Release notes](https://github.com/encode/httpx/releases)
- [Changelog](https://github.com/encode/httpx/blob/master/CHANGELOG.md)
- [Commits](encode/httpx@0.27.2...0.28.1)

---
updated-dependencies:
- dependency-name: pydantic
  dependency-version: 2.11.7
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: main-deps
- dependency-name: httpx
  dependency-version: 0.28.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: main-deps
...

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

Author: dependabot[bot]