Update readme, new blurb #1242

Job	Run time
type-check	26s
lint	22s
end-to-end-test (ubuntu-20.04, local)	31s
unit-test (ubuntu-20.04, 3.7)	1m 9s
end-to-end-test (ubuntu-20.04, ssh)	1m 30s
unit-test (ubuntu-20.04, 3.8)	1m 13s
end-to-end-test (ubuntu-20.04, docker)	31s
unit-test (ubuntu-20.04, 3.9)	1m 9s
unit-test (ubuntu-20.04, 3.10)	1m 4s
unit-test (ubuntu-20.04, 3.11)	1m 5s
end-to-end-test (ubuntu-latest, local)	36s
unit-test (ubuntu-latest, 3.7)	1m 12s
end-to-end-test (ubuntu-latest, ssh)	1m 28s
unit-test (ubuntu-latest, 3.8)	1m 8s
end-to-end-test (ubuntu-latest, docker)	34s
unit-test (ubuntu-latest, 3.9)	1m 6s
end-to-end-test (macos-latest, local)	32s
unit-test (ubuntu-latest, 3.10)	1m 2s
unit-test (ubuntu-latest, 3.11)	1m 1s
unit-test (macos-12, 3.11)	1m 23s
unit-test (windows-2022, 3.11)	1m 53s
tests-done	1s
	20m 56s

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