build(deps-dev): bump @wordpress/icons from 11.4.0 to 12.1.0

Bumps [@wordpress/icons](https://github.com/WordPress/gutenberg/tree/HEAD/packages/icons) from 11.4.0 to 12.1.0.
- [Release notes](https://github.com/WordPress/gutenberg/releases)
- [Changelog](https://github.com/WordPress/gutenberg/blob/trunk/packages/icons/CHANGELOG.md)
- [Commits](https://github.com/WordPress/gutenberg/commits/@wordpress/icons@12.1.0/packages/icons)

---
updated-dependencies:
- dependency-name: "@wordpress/icons"
  dependency-version: 12.1.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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Author: dependabot[bot]