Bump uvicorn from 0.11.5 to 0.11.7 in /backend
Bumps [uvicorn](https://github.com/encode/uvicorn) from 0.11.5 to 0.11.7.
- [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/0.11.5...0.11.7)
Signed-off-by: dependabot[bot]
Bump uvicorn from 0.11.5 to 0.11.7 in /backend
Bumps [uvicorn](https://github.com/encode/uvicorn) from 0.11.5 to 0.11.7.
- [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/0.11.5...0.11.7)
Signed-off-by: dependabot[bot]