Automatic merge from submit-queue (batch tested with PRs 52520, 52033, 53626, 50478). 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>. Removed the IPv6 prefix size limit for cluster-cidr Fixes #50395 /sig network /area ipv6 cc @rpothier