vim: Add gU/gu/g~ (#12782)

Co-Authored-By: ethanmsl@gmail.com

Release Notes:

- vim: Added `gu`/`gU`/`g~` for changing case. (#12565)
5548773b2eConrad Irwin committed on 6/7/2024, 6:38:12 PM· committed by GitHubparent3eac83e
6 files changedLine totals unavailable