DOC: Clarify details about conda installs #5583

Job	Run time
build_windows (3.9)	1h 10m 6s
build_linux (3.9)	37m 9s
build_windows (3.10)	1h 8m 37s
build_linux (3.10)	36m 40s
build_windows (3.11)	1h 8m 36s
build_linux (3.11)	36m 50s
build_windows (3.12)	1h 11m 32s
build_linux (3.12)	37m 17s
build_windows (3.13)	1h 23m 59s
build_linux (3.13)	37m 22s
array-api-conformity (3.10, false, ubuntu-22.04)	4m 56s
test_examples_linux (3.11, false, ubuntu-22.04)	7m 24s
test_linux (3.9, false, ubuntu-22.04)	11m 18s
test_linux (3.10, false, ubuntu-22.04)	11m 53s
test_linux (3.11, false, ubuntu-22.04)	13m 55s
test_linux (3.12, false, ubuntu-22.04)	11m 3s
test_linux (3.13, false, ubuntu-22.04)	11m 9s
upload_linux	0s
test_windows (3.9, false, windows-2019)	16m 8s
test_windows (3.10, false, windows-2019)	20m 7s
test_windows (3.11, false, windows-2019)	12m 55s
test_windows (3.12, false, windows-2019)	13m 28s
test_windows (3.13, false, windows-2019)	15m 1s
upload_windows	0s
Clean up anaconda packages	0s
	11h 37m 25s

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