Merge pull request #1364 from daizhenyu/1.2.x-readme-update #232

Job	Run time
build agent and cache	2m 8s
download midwares and cache	12s
Test for spring (1.5.0.RELEASE, Edgware.SR2, 1.5.0.RELEASE)	4m 23s
Test for spring (2.0.2.RELEASE, Finchley.RELEASE, 4.1.3, 2.0.0.RELEASE, 1.0.1)	4m 24s
Test for spring (2.1.0.RELEASE, Greenwich.RELEASE, 4.2.6, 2.1.0.RELEASE, 1.0.1)	4m 4s
Test for spring (2.2.0.RELEASE, Hoxton.RELEASE, 4.3.6, 2.2.0.RELEASE, 1.0.3)	4m 15s
Test for spring (2.3.0.RELEASE, Hoxton.RELEASE, 4.4.1, 2.2.8.RELEASE, 1.1.2)	12m 57s
Test for spring (2.4.0, 2020.0.0, 4.5.6, 2021.0.1.0, 1.1.4)	4m 14s
Test for spring (2.6.2, 2021.0.0, 4.5.10, 2021.1, 1.1.10)	12m 50s
Test for spring (2.7.2, 2021.0.3, 4.5.13, 1.1.12)	12m 10s
	1h 1m 37s

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