Bump starlette from 0.47.2 to 0.49.1 in /requirements

Bumps [starlette](https://github.com/Kludex/starlette) from 0.47.2 to 0.49.1.
- [Release notes](https://github.com/Kludex/starlette/releases)
- [Changelog](https://github.com/Kludex/starlette/blob/main/docs/release-notes.md)
- [Commits](Kludex/starlette@0.47.2...0.49.1)

---
updated-dependencies:
- dependency-name: starlette
  dependency-version: 0.49.1
  dependency-type: indirect
...

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

Author: dependabot[bot]

requirements/development.txt

@@ -323,7 +323,7 @@ sqlparse==0.5.3
     #   django-debug-toolbar
 stack-data==0.6.3
     # via ipython
-starlette==0.47.2
+starlette==0.49.1
     # via sphinx-autobuild
 stripe==4.2.0
     # via