Bump the python-dependencies group with 2 updates

Bumps the python-dependencies group with 2 updates: [pydantic-core](https://github.com/pydantic/pydantic-core) and [starlette](https://github.com/encode/starlette).


Updates `pydantic-core` from 2.20.1 to 2.23.1
- [Release notes](https://github.com/pydantic/pydantic-core/releases)
- [Commits](pydantic/pydantic-core@v2.20.1...v2.23.1)

Updates `starlette` from 0.38.2 to 0.38.3
- [Release notes](https://github.com/encode/starlette/releases)
- [Changelog](https://github.com/encode/starlette/blob/master/docs/release-notes.md)
- [Commits](encode/starlette@0.38.2...0.38.3)

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

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

pinned.txt

@@ -6,10 +6,10 @@ exceptiongroup==1.2.2
 fastapi==0.112.2 
 h11==0.14.0 
 idna==3.8 
-pydantic-core==2.20.1 
+pydantic-core==2.23.1 
 pydantic==2.8.2 
 python-dotenv==1.0.1 
 sniffio==1.3.1 
-starlette==0.38.2 
+starlette==0.38.3 
 typing-extensions==4.12.2 
 uvicorn==0.30.6