build

Adjust stimulation cost to ~M/well #1658

Job	Run time
check	47s
docs	1m 8s
py38 (ubuntu)	9m 35s
py39 (ubuntu)	9m 34s
py39 (windows)	11m 10s
py310 (ubuntu)	10m 6s
py310 (windows)	11m 20s
py311 (ubuntu)	9m 30s
py311 (macos)	6m 20s
py311 (windows)	11m 21s
Deploy docs to GitHub Pages	0s
Upload coverage to Coveralls	0s
	1h 20m 51s

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