[Zend] Update README.md with new Zend VM executors#8008

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stkeke wants to merge 2 commits intophp:masterfrom

stkeke:zend_readme

Commits on Jan 29, 2022

[Zend] Update README.md with new Zend VM executors
Su, Tao
committed

Commits on Jan 30, 2022

[Zend] Update README.md and apply review comments
Tony Su
authored