Bump uvicorn from 0.20.0 to 0.21.0 (#427)

Bumps [uvicorn](https://github.com/encode/uvicorn) from 0.20.0 to 0.21.0.
- [Release notes](https://github.com/encode/uvicorn/releases)
- [Changelog](https://github.com/encode/uvicorn/blob/master/CHANGELOG.md)
- [Commits](encode/uvicorn@0.20.0...0.21.0)

---
updated-dependencies:
- dependency-name: uvicorn
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

poetry.lock

@@ -9,7 +9,7 @@ license = "MPL"
 python = ">=3.10 <3.12"
 fastapi = "^0.94.0"
 pydantic = {version = "^1.10.5", extras = ["dotenv", "email"]}
-uvicorn = {extras = ["standard"], version = "^0.20.0"}
+uvicorn = {extras = ["standard"], version = "^0.21.0"}
 atlassian-python-api = "^3.32.2"
 dockerflow = "2022.8.0"
 Jinja2 = "^3.1.2"