chore(classic): update readme #5022

Job	Run time
Status check > Unit	1s
CI \| Unit	1s
CI \| Visual	1s
Compile themes / run	22s
Render test pages / verify	7s
Lint scripts / run	51s
Lint styles / run (default)	1m 5s
Render test pages / run	0s
Status check > A11y / prepare	1s
Create screenshots / run (default)	2m 26s
Status check > A11y / run-checks (1)	2m 32s
Status check > A11y / run-checks (2)	2m 31s
Status check > A11y / run-checks (3)	2m 31s
Status check > A11y / run-checks (4)	2m 49s
Status check > Lint scripts	1s
Status check > Lint styles	1s
Detect changes	11s
Status check > Visual	1s
	15m 32s

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