Bump inflect from 7.3.0 to 7.3.1 in /src/Backend

Bumps [inflect](https://github.com/jaraco/inflect) from 7.3.0 to 7.3.1.
- [Release notes](https://github.com/jaraco/inflect/releases)
- [Changelog](https://github.com/jaraco/inflect/blob/main/NEWS.rst)
- [Commits](jaraco/inflect@v7.3.0...v7.3.1)

---
updated-dependencies:
- dependency-name: inflect
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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