Update Keybase to 4.4.1
Summary:
Update Keybase to 4.4.1
Fixes bugs connected to loading chat conversations and payments
Test Plan: Sent a few messages, uploaded a file, checked my wallet balance
Reviewers: Triage Team, JoshStrobl
Reviewed By: Triage Team, JoshStrobl
Subscribers: JoshStrobl
Differential Revision: https://dev.getsol.us/D7139