update README (#559) #406

Job	Run time
Test with -race (ubuntu-latest, 1.21)	25s
Test in i386 (ubuntu-latest, 1.21)	11s
Test with -race (ubuntu-latest, 1.22)	26s
Test in i386 (ubuntu-latest, 1.22)	6s
Test with -race (ubuntu-latest, 1.23)	21s
Test in i386 (ubuntu-latest, 1.23)	23s
Test with -race (macos-latest, 1.21)	20s
Test in i386 (windows-latest, 1.21)	49s
Fuzzing Test	1m 23s
Coverage	24s
Test with -race (macos-latest, 1.22)	23s
Test in i386 (windows-latest, 1.22)	2m 14s
Test with -race (macos-latest, 1.23)	17s
Test in i386 (windows-latest, 1.23)	1m 40s
Test with -race (windows-latest, 1.21)	2m 39s
lint	16s
Test with -race (windows-latest, 1.22)	2m 39s
Test with -race (windows-latest, 1.23)	2m 12s
ycat	6s
	17m 14s

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