NPM(deps): Bump @wordpress/api-fetch from 7.27.0 to 7.28.0

Bumps [@wordpress/api-fetch](https://github.com/WordPress/gutenberg/tree/HEAD/packages/api-fetch) from 7.27.0 to 7.28.0.
- [Release notes](https://github.com/WordPress/gutenberg/releases)
- [Changelog](https://github.com/WordPress/gutenberg/blob/trunk/packages/api-fetch/CHANGELOG.md)
- [Commits](https://github.com/WordPress/gutenberg/commits/@wordpress/[email protected]/packages/api-fetch)

---
updated-dependencies:
- dependency-name: "@wordpress/api-fetch"
  dependency-version: 7.28.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]