fix(deps): update dependency uvicorn to ^0.21.0 - autoclosed

This MR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
uvicorn (changelog)	^0.20.0 -> ^0.21.0

---

Release Notes

encode/uvicorn

v0.21.0

Compare Source

Added

• Introduce lifespan state (#​1818) 05/03/23
• Allow headers to be sent as iterables on H11 implementation (#​1782) 27/11/22
• Improve discoverability when --port=0 is used (#​1890) 09/03/23

Changed

• Avoid importing h11 and pyyaml when not needed to improve import time (#​1846) 07/02/23
• Replace current native WSGIMiddleware implementation by a2wsgi (#​1825) 16/01/23
• Change default --app-dir from "." (dot) to "" (empty string) (#​1835) 06/01/23

Fixed

• Send code 1012 on shutdown for WebSockets (#​1816) 06/01/23
• Use surrogateescape to encode headers on websockets implementation (#​1005) 12/12/22
• Fix warning message on reload failure (#​1784) 29/11/22

---

Configuration

Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

Automerge: Disabled by config. Please merge this manually once you are satisfied.

Rebasing: Whenever MR becomes conflicted, or you tick the rebase/retry checkbox.

Ignore: Close this MR and you won't be reminded about this update again.

---

• If you want to rebase/retry this MR, check this box

---

This MR has been generated by Renovate Bot.