Bump @wordpress/dom-ready from 4.0.0 to 4.2.0

Bumps [@wordpress/dom-ready](https://github.com/WordPress/gutenberg/tree/HEAD/packages/dom-ready) from 4.0.0 to 4.2.0.
- [Release notes](https://github.com/WordPress/gutenberg/releases)
- [Changelog](https://github.com/WordPress/gutenberg/blob/trunk/packages/dom-ready/CHANGELOG.md)
- [Commits](https://github.com/WordPress/gutenberg/commits/@wordpress/dom-ready@4.2.0/packages/dom-ready)

---
updated-dependencies:
- dependency-name: "@wordpress/dom-ready"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

packages/iconography/package.json

@@ -23,7 +23,7 @@
  "@jest/globals": "^29.7.0",
  "@testing-library/react": "^16.0.0",
  "@types/wordpress__block-editor": "^11.5.15",
- "@wordpress/dom-ready": "^4.0.0",
+ "@wordpress/dom-ready": "^4.2.0",
  "@wordpress/editor": "^14.1.0",
  "@wordpress/icons": "^10.0.0",
  "@wordpress/interface": "^6.0.0",