Update fzf to 0.25.1

Summary:
Update to 0.25.1

Changelog:

• Added close action: Close preview window if open, abort fzf otherwise
• Bug fixes and improvements

Test Plan: Used it to search for several files in my home directory

Reviewers: Triage Team, JoshStrobl

Reviewed By: Triage Team, JoshStrobl

Subscribers: JoshStrobl

Differential Revision: https://dev.getsol.us/D10516