Bump twisted from 22.2.0 to 22.10.0 in /backend

Bumps [twisted](https://github.com/twisted/twisted) from 22.2.0 to 22.10.0.
- [Release notes](https://github.com/twisted/twisted/releases)
- [Changelog](https://github.com/twisted/twisted/blob/trunk/NEWS.rst)
- [Commits](twisted/twisted@twisted-22.2.0...twisted-22.10.0)

---
updated-dependencies:
- dependency-name: twisted
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]