build(deps-dev): bump faker from 37.6.0 to 37.8.0 in /backend

Bumps [faker](https://github.com/joke2k/faker) from 37.6.0 to 37.8.0.
- [Release notes](https://github.com/joke2k/faker/releases)
- [Changelog](https://github.com/joke2k/faker/blob/master/CHANGELOG.md)
- [Commits](joke2k/faker@v37.6.0...v37.8.0)

---
updated-dependencies:
- dependency-name: faker
  dependency-version: 37.8.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]