Minify stylesheets for twentytwentyone theme. #32715

Job	Run time
Determine Matrix	5s
Multisite Default / Test current	14m 19s
Single Site Default / Test before	15m 35s
Multisite Memcached / Test before	15m 8s
Multisite Memcached / Test current	15m 56s
Single Site Default / Test current	15m 30s
Single Site Memcached / Test before	13m 36s
Multisite Default / Test before	15m 23s
Single Site Memcached / Test current	14m 57s
Compare / Multisite Memcached	18s
Compare / Single Site Default	25s
Compare / Multisite Default	14s
Compare / Single Site Memcached	18s
Failed workflow tasks	0s
Slack Notifications	0s
	2h 1m 44s

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