Build(deps-dev): bump @wordpress/dom-ready from 4.14.0 to 4.15.0 (#278)

Bumps [@wordpress/dom-ready](https://github.com/WordPress/gutenberg/tree/HEAD/packages/dom-ready) from 4.14.0 to 4.15.0.
- [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@4.15.0/packages/dom-ready)

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

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package.json

@@ -17,7 +17,7 @@
 	},
 	"homepage": "https://github.com/swissspidy/voice-search",
 	"devDependencies": {
-		"@wordpress/dom-ready": "^4.14.0",
+		"@wordpress/dom-ready": "^4.15.0",
 		"@wordpress/i18n": "^5.15.1",
 		"@wordpress/scripts": "^30.7.0",
 		"rtlcss-webpack-plugin": "^4.0.6"