Update tmate to 2.4.0
Summary:
Update tmate to latest upstream release
Resolves T8958
Test Plan: I checked the functionality of all commands
Reviewers: Triage Team, DataDrake
Reviewed By: Triage Team, DataDrake
Subscribers: DataDrake
Maniphest Tasks: T8958
Differential Revision: https://dev.getsol.us/D8844