Update README #70

Job	Run time
busted (luajit-openresty, ubuntu-latest)	35s
busted (luajit-openresty, windows-latest)	2m 40s
busted (luajit-openresty, macos-latest)	54s
busted (luajit-2.1.0-beta3, ubuntu-latest)	30s
busted (luajit-2.1.0-beta3, windows-latest)	2m 31s
busted (luajit-2.1.0-beta3, macos-latest)	1m 10s
busted (luajit-git, ubuntu-latest)	41s
busted (luajit-git, windows-latest)	1m 32s
busted (luajit-git, macos-latest)	57s
busted (5.4.6, ubuntu-latest)	30s
busted (5.4.6, windows-latest)	1m 45s
busted (5.4.6, macos-latest)	55s
busted (5.1.5, ubuntu-latest)	31s
busted (5.1.5, windows-latest)	1m 39s
busted (5.1.5, macos-latest)	52s
busted (5.3.6, ubuntu-latest)	28s
busted (5.3.6, windows-latest)	1m 45s
busted (5.3.6, macos-latest)	55s
finish	5s
publish	0s
	20m 55s

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