Update Python Support

[jmsmkn]

Removes support for Python 3.6 and 3.7, adds support for Python 3.11.

[jmsmkn]

@pkcakeout Do you know how this would change now that we can finally use dataclasses?

rse-gcapi/gcapi/sync_async_hybrid_support.py

Lines 171 to 174 in 3fa0bcb

	# Paul K.: Trick to get the SLOT-constant through the mypy verification, which
	# does not like extra members being added to the a NamedTuple. dataclasses
	# would be the correct answer, but are not available in python 3.6 which we need
	# for MeVisLab

This was my guess 5466285

[pkcakeout]

@pkcakeout Do you know how this would change now that we can finally use dataclasses?

rse-gcapi/gcapi/sync_async_hybrid_support.py

Lines 171 to 174 in 3fa0bcb

	# Paul K.: Trick to get the SLOT-constant through the mypy verification, which
	# does not like extra members being added to the a NamedTuple. dataclasses
	# would be the correct answer, but are not available in python 3.6 which we need
	# for MeVisLab

This was my guess 5466285

I think that is it! I actually had a version that was using dataclasses, but I think it is lost. But like I said: I think this was just it!

[pkcakeout]

Lot's of noise because of the black update, I guess?! Anyway. I did not see anything crazy or wrong...