Bump uvicorn from 0.14.0 to 0.17.6 (#2163)

Bump uvicorn from 0.14.0 to 0.17.6 (#2163)

Bumps [uvicorn](https://github.com/encode/uvicorn) from 0.14.0 to 0.17.6.
- [Release notes](https://github.com/encode/uvicorn/releases)
- [Changelog](https://github.com/encode/uvicorn/blob/master/CHANGELOG.md)
- [Commits](https://github.com/encode/uvicorn/compare/0.14.0...0.17.6)

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

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