Update alpha channels with May updates

[moshevayner]

No description provided.

[hakman]

/lgtm

[rifelpet]

I think we'll want to add 1.18 to the alpha channel at some point. I don't recall exactly when in the kops release cycle that gets added though.

/approve

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[moshevayner]

I think we'll want to add 1.18 to the alpha channel at some point. I don't recall exactly when in the kops release cycle that gets added though.

/approve

@rifelpet Yeah, I thought about that too, but since I didn't see a release branch for 1.18, I wasn't sure if there's a specific time in which we add the new version to play.
If you think now is a good time- I can add it through a new PR since this one is already merged 😄