`MarrmotM01` class docstring refers to non-existing "version" argument

[BSchilperoort]

ewatercycle-marrmot/src/ewatercycle_marrmot/model.py

Lines 89 to 93 in 0116bad

	Args:
	version: pick a version for which an ewatercycle grpc4bmi docker image
	is available. forcing: a MarrmotForcing object. If forcing file contains
	parameter and other settings, those are used and can be changed in
	:py:meth:`setup`.