Update dependency uvicorn to v0.50.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
uvicorn (changelog)	==0.49.0 → ==0.50.0

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Release Notes

Kludex/uvicorn (uvicorn)

v0.50.0: Version 0.50.0

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What's Changed

• Memoize trusted host checks to avoid re-parsing the client IP per request by @​Kludex in #​2970
• Cache the asgi scope sub-dict per connection by @​Kludex in #​2976
• Build a fresh asgi scope dict per request by @​Kludex in #​2977
• Replace click.style with an internal ANSI style helper by @​Kludex in #​2981
• Avoid copying single-frame WebSocket payloads in websockets-sansio by @​Kludex in #​2983
• Deprecate the legacy websockets implementation and default auto to websockets-sansio by @​Kludex in #​2985
• Exit with a dedicated code on startup failure and stop the supervisor when a worker can't boot by @​Kludex in #​3001
• Skip the eager app import in the parent when spawning workers by @​Kludex in #​3012

Full Changelog: Kludex/uvicorn@0.49.0...0.50.0

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