Bump the pip group across 1 directory with 2 updates

Bumps the pip group with 2 updates in the /core directory: [authlib](https://github.com/authlib/authlib) and [starlette](https://github.com/Kludex/starlette).


Updates `authlib` from 1.3.2 to 1.6.4
- [Release notes](https://github.com/authlib/authlib/releases)
- [Changelog](https://github.com/authlib/authlib/blob/main/docs/changelog.rst)
- [Commits](authlib/authlib@v1.3.2...v1.6.4)

Updates `starlette` from 0.46.2 to 0.47.2
- [Release notes](https://github.com/Kludex/starlette/releases)
- [Changelog](https://github.com/Kludex/starlette/blob/main/docs/release-notes.md)
- [Commits](Kludex/starlette@0.46.2...0.47.2)

---
updated-dependencies:
- dependency-name: authlib
  dependency-version: 1.6.4
  dependency-type: direct:production
  dependency-group: pip
- dependency-name: starlette
  dependency-version: 0.47.2
  dependency-type: direct:production
  dependency-group: pip
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

core/requirements.server.txt

@@ -11,7 +11,7 @@ annotated-types==0.7.0
 anyio==4.10.0
 appdirs==1.4.4
 attrs==25.3.0
-Authlib==1.3.2
+Authlib==1.6.4
 backports.tarfile==1.2.0
 beautifulsoup4==4.13.5
 black==25.9.0
@@ -154,7 +154,7 @@ sniffio==1.3.1
 soupsieve==2.8
 SQLAlchemy==2.0.43
 sse-starlette==3.0.2
-starlette==0.46.2
+starlette==0.47.2
 structlog==23.2.0
 tabulate==0.9.0
 tenacity==9.1.2