HSDO-1701: Update lando README #1135

Job	Run time
lint_theme	37s
set_sites	39s
test_phpunit	1m 29s
test_new_site	12m 57s
test_existing_site (biology)	11m 59s
test_existing_site (bsurp)	5m 43s
test_existing_site (cesta)	7m 17s
test_existing_site (chemistry)	13m 6s
test_existing_site (hs_colorful)	7m 40s
test_existing_site (humanbiology)	7m 16s
test_existing_site (mcs)	6m 38s
test_existing_site (planning_humsci)	6m 7s
test_existing_site (psychology)	8m 37s
test_existing_site (shenlab)	7m 54s
deploy_branch	2m 5s
	1h 40m 4s

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