Update best practice in README.md #122

Job	Run time
molecule (default, centos:7, 22.01)	12m 7s
molecule (default, centos:7, 22.05)	12m 50s
molecule (default, centos:7, 23.0)	14m 59s
molecule (default, centos:7, dev)	18m 23s
molecule (default, rockylinux:8, 22.01)	12m 10s
molecule (default, rockylinux:8, 22.05)	12m 23s
molecule (default, rockylinux:8, 23.0)	14m 50s
molecule (default, rockylinux:8, dev)	17m 46s
molecule (default, ubuntu:20.04, 22.01)	11m 56s
molecule (default, ubuntu:20.04, 22.05)	12m 34s
molecule (default, ubuntu:20.04, 23.0)	14m 50s
molecule (default, ubuntu:20.04, dev)	18m 17s
molecule (default, ubuntu:22.04, 22.05)	12m 13s
molecule (default, ubuntu:22.04, 23.0)	14m 11s
molecule (default, ubuntu:22.04, dev)	16m 44s
	3h 36m 13s

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