⬆ Bump sqlmodel from 0.0.24 to 0.0.25 in /backend

Bumps [sqlmodel](https://github.com/fastapi/sqlmodel) from 0.0.24 to 0.0.25.
- [Release notes](https://github.com/fastapi/sqlmodel/releases)
- [Changelog](https://github.com/fastapi/sqlmodel/blob/main/docs/release-notes.md)
- [Commits](fastapi/sqlmodel@0.0.24...0.0.25)

---
updated-dependencies:
- dependency-name: sqlmodel
  dependency-version: 0.0.25
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]