chore(deps): bump immer and react-dev-utils in /ui

Bumps [immer](https://github.com/immerjs/immer) to 9.0.21 and updates ancestor dependency [react-dev-utils](https://github.com/facebook/create-react-app/tree/HEAD/packages/react-dev-utils). These dependencies need to be updated together.


Updates `immer` from 8.0.1 to 9.0.21
- [Release notes](https://github.com/immerjs/immer/releases)
- [Commits](immerjs/immer@v8.0.1...v9.0.21)

Updates `react-dev-utils` from 11.0.4 to 12.0.1
- [Release notes](https://github.com/facebook/create-react-app/releases)
- [Changelog](https://github.com/facebook/create-react-app/blob/main/CHANGELOG-1.x.md)
- [Commits](https://github.com/facebook/create-react-app/commits/[email protected]/packages/react-dev-utils)

---
updated-dependencies:
- dependency-name: immer
  dependency-type: indirect
- dependency-name: react-dev-utils
  dependency-type: direct:production
...

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

Author: dependabot[bot]