build(deps): bump black from 24.8.0 to 24.10.0 in /backend

Bumps [black](https://github.com/psf/black) from 24.8.0 to 24.10.0.
- [Release notes](https://github.com/psf/black/releases)
- [Changelog](https://github.com/psf/black/blob/main/CHANGES.md)
- [Commits](psf/black@24.8.0...24.10.0)

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

Signed-off-by: dependabot[bot] <[email protected]>