Update dependency uvicorn to v0.30.1

This MR contains the following updates:

Package	Type	Update	Change
uvicorn (changelog)	dependencies	minor	0.27.1 -> 0.30.1

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Release Notes

encode/uvicorn (uvicorn)

v0.30.1

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Fixed

• Allow horizontal tabs \t in response header values (#​2345)

v0.30.0

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Added

• New multiprocess manager (#​2183)
• Allow ConfigParser or a io.IO[Any] on log_config (#​1976)

Fixed

• Suppress side-effects of signal propagation (#​2317)
• Send content-length header on 5xx (#​2304)

Deprecated

• Deprecate the uvicorn.workers module (#​2302)

v0.29.0

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Added

• Cooperative signal handling (#​1600)

v0.28.1

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Fixed

• Revert raise ClientDisconnected on HTTP (#​2276)

v0.28.0

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Added

• Raise ClientDisconnected on send() when client disconnected (#​2220)

Fixed

• Except AttributeError on sys.stdin.fileno() for Windows IIS10 (#​1947)
• Use X-Forwarded-Proto for WebSockets scheme when the proxy provides it (#​2258)

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