Build Python wheels using Github Actions.
Build Python wheels using Github Actions.

Notes:

- Only Linux and MacOS for now, Python 3+ only.
- Uses a dev branch of cibuildwheels that supports in-tree build feature.
- Builds both liblo and libmapper with --disable-shared so that the binding has them
  linked statically.

malloch/libmapper,libmapper/libmapper,radarsat1/libmapper,libmapper/libmapper,malloch/libmapper,malloch/libmapper,libmapper/libmapper,radarsat1/libmapper,libmapper/libmapper,radarsat1/libmapper,libmapper/libmapper,malloch/libmapper,libmapper/libmapper,malloch/libmapper,radarsat1/libmapper,malloch/libmapper,radarsat1/libmapper