Update vim to 8.2.2491

Summary:
Update to 8.2.2491

No changelog provided by upstream

Test Plan: Opened a file and edited it successfully.

Reviewers: Triage Team, JoshStrobl

Reviewed By: Triage Team, JoshStrobl

Subscribers: JoshStrobl

Differential Revision: https://dev.getsol.us/D10518