fix old Update README.md #2646

Job	Run time
test (stable, ubuntu-latest, stable)	3m 22s
test (stable-32, ubuntu-latest, stable, i686-unknown-linux-gnu)	2m 42s
msrv	1m 32s
test (stable-powerpc64, ubuntu-latest, stable, powerpc64-unknown-linux-gnu)	7m 58s
miri-regex-automata	14m 32s
testfull-regex	3m 23s
test (stable-s390x, ubuntu-latest, stable, s390x-unknown-linux-gnu)	9m 30s
test (beta, ubuntu-latest, beta)	3m 22s
testfull-regex-automata	8m 10s
testfull-regex-capi	28s
test (nightly, ubuntu-latest, nightly)	2m 50s
testfull-regex-syntax	1m 55s
test (macos, macos-latest, stable)	2m 20s
test (win-msvc, windows-latest, stable)	5m 38s
rustfmt	12s
test (win-gnu, windows-latest, stable-x86_64-gnu)	3m 32s
	1h 11m 26s

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