v2.2.1 Update

· On Apple Watch, below 6 m the last measured depth stays on screen between readings; "NO DEPTH SENSOR" appears only after a long gap with no new reading
· The "workout failed" message no longer appears when a dive starts
· Freediving: dives below 6 m keep recording the depth the watch receives instead of stopping at 6 m
· After decompression stops, time at the shallow stops (1.5 to 6 m) counts toward the 3-minute safety stop