Update acts-as-taggable-on 5.0 -> 6.0
Originally opened at https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/25740 by @pravi.
Update acts-as-taggable-on gem 5.0 -> 6.0. Only breaking change is dropping support for rails 4.
Changelog: https://github.com/mbleigh/acts-as-taggable-on/blob/master/CHANGELOG.md
What are the relevant issue numbers?
None.
Does this MR meet the acceptance criteria?
-
Changelog entry added, if necessary -
Conforms to the code review guidelines -
Conforms to the merge request performance guidelines -
Conforms to the style guides -
Conforms to the database guides -
Security reports checked/validated by reviewer