Bump uvicorn from 0.18.3 to 0.19.0
Bump uvicorn from 0.18.3 to 0.19.0

Bumps [uvicorn](https://github.com/encode/uvicorn) from 0.18.3 to 0.19.0.
- [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/0.18.3...0.19.0)

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

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
tutorcruncher/morpheus