Automatic merge from submit-queue (batch tested with PRs 55301, 55319, 54018, 55322, 55125). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.
enable webhook admission in local up cluster
Adds GenericAdmissionWebhook to the default admission to match the initializers already present. This is a no-op unless someone actually chooses to create an admission webhook via config.