docs: add epp version history

[zhengkezhou1]

fix: #1271

version the epp changes

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[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: zhengkezhou1
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[k8s-ci-robot]

Hi @zhengkezhou1. Thanks for your PR.

I'm waiting for a kubernetes-sigs member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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[ahg-g]

/ok-to-test

[ahg-g]

why rc?

[zhengkezhou1]

Okay, I've removed them because I saw the corresponding PR was for v.xxx-rc.