devel/got: update to 0.65

User-visible changes:

• sort paths in got log -Pp and tog's diff view the same way as in the diff
• tog: make searches start from the current position in all views
• tog: clear search highlighting when reloading view
• use time-based rate-limiting for gotadmin progress output
• print status output even when 'gotadmin cleanup' finds no objects to remove
• tog: fix a scrolling problem when diffing binary files