message: docs(api): update mix description behavior
  We changed mix() to not move between actions in apiLevel 2.3 This fixes the description in the docs to reflect actual behavior
diff: @@ -348,8 +348,7 @@ The ``mix`` command takes up to three arguments: ``mix(repetitions, volume, loca
  .. note::
  - Mixes consist of aspirates and then immediate dispenses. In between these actions, the pipette moves up and out of the target well. This is normal, and is done to avoid incorrect aspirate and dispense actions.
  -
  + In API Versions 2.2 and earlier, mixes consist of aspirates and then immediate dispenses. In between these actions, the pipette moves up and out of the target well. In API Version 2.3 and later, the pipette will not move between actions.
  .. versionadded:: 2.0
  