Build(deps): bump starlette in /frameworks/Python/starlette (#10002)

Bumps [starlette](https://github.com/encode/starlette) from 0.40.0 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](encode/starlette@0.40.0...0.47.2)

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

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Author: dependabot[bot]

frameworks/Python/starlette/requirements.txt

@@ -6,6 +6,6 @@ Jinja2==3.1.4
 MarkupSafe==2.1.1
 python-dotenv==0.20.0
 PyYAML==6.0
-starlette==0.40.0
+starlette==0.47.2
 uvicorn==0.20.0
 uvloop==0.17.0