Bump starlette from 0.13.6 to 0.25.0

Bumps [starlette](https://github.com/encode/starlette) from 0.13.6 to 0.25.0.
- [Release notes](https://github.com/encode/starlette/releases)
- [Changelog](https://github.com/encode/starlette/blob/master/docs/release-notes.md)
- [Commits](encode/starlette@0.13.6...0.25.0)

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

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

Author: dependabot[bot]

requirements.txt

@@ -17,7 +17,7 @@ python-dateutil==2.8.1
 python-dotenv==0.15.0
 pytz==2021.1
 six==1.15.0
-starlette==0.13.6
+starlette==0.25.0
 toml==0.10.2
 uvicorn==0.13.3
 wrapt==1.12.1