OSC Playback: Add setcps control message

[jarmitage]

References:

• https://tidalcycles.org/docs/configuration/MIDIOSC/osc/#playback-controllers

• Tidal/src/Sound/Tidal/Stream.hs

  Line 699 in fcc4c5d

  -- Listen to and act on OSC control messages

Would be great to add setcps to this list of control input messages.