Bump starlette from 0.26.1 to 0.47.2

Bumps [starlette](https://github.com/encode/starlette) from 0.26.1 to 0.47.2.
- [Release notes](https://github.com/encode/starlette/releases)
- [Changelog](https://github.com/encode/starlette/blob/master/docs/release-notes.md)
- [Commits](Kludex/starlette@0.26.1...0.47.2)

---
updated-dependencies:
- dependency-name: starlette
  dependency-version: 0.47.2
  dependency-type: direct:production
...

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

Author: dependabot[bot]

requirements.txt

@@ -23,7 +23,7 @@ python-dateutil==2.8.2
 six==1.16.0
 sniffio==1.3.0
 SQLAlchemy==2.0.12
-starlette==0.26.1
+starlette==0.47.2
 tomli==2.0.1
 typing_extensions==4.5.0
 uvicorn==0.22.0