Update readme to note current repo state #35521

Job	Run time
format	29s
browser-integration	1m 54s
coverage	10m 22s
knip	30s
smoke	59s
typecheck	43s
Test Node 14 on ubuntu-latest	11m 54s
self-check	54s
lint	58s
Test Node 24 on ubuntu-latest	8m 59s
Test Node lts/* on ubuntu-latest with --no-bundle	10m 42s
Test Node 14 on windows-latest	15m 2s
Test Node 24 on windows-latest	10m 43s
package-size	1m 36s
baselines	9m 4s
misc	30s
required	3s
	1h 25m 22s

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