Bump rails-erd from 1.5.2 to 1.6.0
Bump rails-erd from 1.5.2 to 1.6.0

Bumps [rails-erd](https://github.com/voormedia/rails-erd) from 1.5.2 to 1.6.0.
- [Release notes](https://github.com/voormedia/rails-erd/releases)
- [Changelog](https://github.com/voormedia/rails-erd/blob/master/CHANGES.md)
- [Commits](https://github.com/voormedia/rails-erd/compare/v1.5.2...v1.6.0)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
WikiEducationFoundation/WikiEduDashboard,WikiEducationFoundation/WikiEduDashboard,WikiEducationFoundation/WikiEduDashboard,WikiEducationFoundation/WikiEduDashboard,WikiEducationFoundation/WikiEduDashboard