build(deps): bump pydantic from 2.11.4 to 2.12.4 (#2755)

Bumps [pydantic](https://github.com/pydantic/pydantic) from 2.11.4 to 2.12.4.
- [Release notes](https://github.com/pydantic/pydantic/releases)
- [Changelog](https://github.com/pydantic/pydantic/blob/v2.12.4/HISTORY.md)
- [Commits](https://github.com/pydantic/pydantic/compare/v2.11.4...v2.12.4)

---
updated-dependencies:
- dependency-name: pydantic
  dependency-version: 2.12.4
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements.txt

@@ -26,7 +26,7 @@ protobuf==6.31.1
 pyasn1==0.5.1
 pyasn1-modules==0.3.0
 pycparser==2.22
-pydantic==2.11.4
+pydantic==2.12.4
 # pydantic pins pydantic-core, 
 # but dependabot updates these separately (which is broken) and is annoying,
 # so we rely on pydantic to pull in the right version of pydantic-core.