Bump starlette from 0.31.0 to 0.31.1

Bumps [starlette](https://github.com/encode/starlette) from 0.31.0 to 0.31.1.
- [Release notes](https://github.com/encode/starlette/releases)
- [Changelog](https://github.com/encode/starlette/blob/master/docs/release-notes.md)
- [Commits](encode/starlette@0.31.0...0.31.1)

---
updated-dependencies:
- dependency-name: starlette
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

requirements.txt

@@ -72,7 +72,7 @@ PyYAML==6.0.1
 requests==2.31.0
 six==1.16.0
 sniffio==1.3.0
-starlette==0.31.0
+starlette==0.31.1
 statv==0.3.2
 tarina==0.3.3
 tencentcloud-sdk-python==3.0.962