Bump @shgysk8zer0/importmap from 1.8.7 to 1.8.9

Bumps [@shgysk8zer0/importmap](https://github.com/shgysk8zer0/importmap) from 1.8.7 to 1.8.9.
- [Release notes](https://github.com/shgysk8zer0/importmap/releases)
- [Changelog](https://github.com/shgysk8zer0/importmap/blob/master/CHANGELOG.md)
- [Commits](shgysk8zer0/importmap@v1.8.7...v1.8.9)

---
updated-dependencies:
- dependency-name: "@shgysk8zer0/importmap"
  dependency-version: 1.8.9
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]