[release-0.9] 🐛 Add XPreserveUnknownFields to runtime.RawExtension

[k8s-infra-cherrypick-robot]

This is an automated cherry-pick of #683

/assign FillZpp

[k8s-ci-robot]

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[eddycharly]

Aren’t we going to need this one too #689 ?

[FillZpp]

Aren’t we going to need this one too #689 ?

Yeah, that should be cherry-picked first.

/hold

[eddycharly]

@FillZpp i think you need to remove [release-0.9] from the PR title.

[FillZpp]

@FillZpp i think you need to remove [release-0.9] from the PR title.

It doesn't matter, the title is generated by the robot. But it may not be able to rebase the latest release-0.9 branch since #701 has merged, so I'm going to reopen a new one.

/close

[k8s-ci-robot]

@FillZpp: Closed this PR.

In response to this:

@FillZpp i think you need to remove [release-0.9] from the PR title.

It doesn't matter, the title is generated by the robot. But it may not be able to rebase the latest release-0.9 branch since #701 has merged, so I'm going to reopen a new one.

/close

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