fix: sync README timing/presence counts with actual 129 edits

README.md

@@ -60,5 +60,5 @@ perceptual metrics.
 
 ## Counts
 - Edits by kind: {'ADD': 7, 'DELETE': 30, 'SET': 92}
-- Edits by timing: {'partway': 15, 'whole_clip': 117}
-- Edits by property: {'friction': 21, 'initial_velocity': 26, 'mass': 32, 'presence': 40, 'restitution': 13}
+- Edits by timing: {'partway': 12, 'whole_clip': 117}
+- Edits by property: {'friction': 21, 'initial_velocity': 26, 'mass': 32, 'presence': 37, 'restitution': 13}