build

pin coolprop==6.8.0 #2077

Job	Run time
py311 (ubuntu)	13m 46s
py310 (windows)	16m 22s
docs	1m 4s
py311 (windows)	17m 4s
py38 (ubuntu)	13m 43s
py39 (ubuntu)	14m 1s
py311 (macos)	9m 45s
py310 (ubuntu)	14m 7s
py39 (windows)	15m 0s
check	39s
Upload coverage to Coveralls	0s
Deploy docs to GitHub Pages	0s
	1h 55m 31s

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