Build

clarify docs for `default_prefix` and friends #1427

Job	Run time
ubuntu, Python 3.8, conda-standalone	7m 41s
ubuntu, Python 3.9, conda-standalone	13m 22s
ubuntu, Python 3.10, conda-standalone-nightly	7m 48s
ubuntu, Python 3.11, micromamba	6m 49s
macos, Python 3.8, conda-standalone-nightly	45m 30s
macos, Python 3.10, micromamba	31m 31s
macos, Python 3.11, conda-standalone	28m 13s
windows, Python 3.8, conda-standalone	20m 3s
windows, Python 3.9, conda-standalone-nightly	24m 0s
windows, Python 3.10, conda-standalone	20m 26s
windows, Python 3.11, conda-standalone-nightly	19m 3s
Canary Build	0s
	3h 44m 26s

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