build(deps-dev): bump @wordpress/env from 9.8.0 to 9.9.0

Bumps [@wordpress/env](https://github.com/WordPress/gutenberg/tree/HEAD/packages/env) from 9.8.0 to 9.9.0.
- [Release notes](https://github.com/WordPress/gutenberg/releases)
- [Changelog](https://github.com/WordPress/gutenberg/blob/trunk/packages/env/CHANGELOG.md)
- [Commits](https://github.com/WordPress/gutenberg/commits/@wordpress/env@9.9.0/packages/env)

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

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

package.json

@@ -12,7 +12,7 @@
     "build": "vite build"
   },
   "devDependencies": {
-    "@wordpress/env": "^9.8.0",
+    "@wordpress/env": "^9.9.0",
     "grunt": "^1.6.1",
     "grunt-wp-i18n": "^1.0.3",
     "grunt-wp-readme-to-markdown": "^2.1.0",