Upgrade sigs.k8s.io/controller-tools and KUBE_VERSION

[frouioui]

Description

This PR is a follow-up of the work done in planetscale/vitess-operator#670. The controller tool package was upgraded to a newer version, along with the default K8S version, leading to changes in the example manifest we generate.

[vitess-bot]

Review Checklist

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General

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Backward compatibility

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• vtctl command output order should be stable and awk-able.

[frouioui]

Adding Do Not Merge until the original PR on the vitess-operator repo is merged.