build(deps): bump gersemi from 0.26.1 to 0.28.0

Bumps [gersemi](https://github.com/BlankSpruce/gersemi) from 0.26.1 to 0.28.0.
- [Release notes](https://github.com/BlankSpruce/gersemi/releases)
- [Changelog](https://github.com/BlankSpruce/gersemi/blob/master/CHANGELOG.md)
- [Commits](https://github.com/BlankSpruce/gersemi/compare/0.26.1...0.28.0)

---
updated-dependencies:
- dependency-name: gersemi
  dependency-version: 0.28.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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