Bump immer from 6.0.3 to 9.0.6 in /web

Bumps [immer](https://github.com/immerjs/immer) from 6.0.3 to 9.0.6.
- [Release notes](https://github.com/immerjs/immer/releases)
- [Commits](immerjs/immer@v6.0.3...v9.0.6)

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

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Author: dependabot[bot]