Bump @wordpress/notices from 5.4.0 to 5.5.0

Bumps [@wordpress/notices](https://github.com/WordPress/gutenberg/tree/HEAD/packages/notices) from 5.4.0 to 5.5.0.
- [Release notes](https://github.com/WordPress/gutenberg/releases)
- [Changelog](https://github.com/WordPress/gutenberg/blob/trunk/packages/notices/CHANGELOG.md)
- [Commits](https://github.com/WordPress/gutenberg/commits/@wordpress/notices@5.5.0/packages/notices)

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

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