Bump eventlet from 0.24.1 to 0.31.0 in /desktop/core
Bumps [eventlet](https://github.com/eventlet/eventlet) from 0.24.1 to 0.31.0.
- [Release notes](https://github.com/eventlet/eventlet/releases)
- [Changelog](https://github.com/eventlet/eventlet/blob/master/NEWS)
- [Commits](https://github.com/eventlet/eventlet/compare/v0.24.1...v0.31.0)
Signed-off-by: dependabot[bot] <support@github.com>