Bump immer from 5.3.4 to 9.0.6 in /frontend

Bumps [immer](https://github.com/immerjs/immer) from 5.3.4 to 9.0.6.
- [Release notes](https://github.com/immerjs/immer/releases)
- [Commits](immerjs/immer@v5.3.4...v9.0.6)

---
updated-dependencies:
- dependency-name: immer
  dependency-type: direct:production
...

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