update kustomize config files

[kranurag7]

/kind feature

Describe the solution you'd like
[A clear and concise description of what you want to happen.]

 $ kustomize build config/default/ >/dev/null
# Warning: 'commonLabels' is deprecated. Please use 'labels' instead. Run 'kustomize edit fix' to update your Kustomization automatically.
# Warning: 'patchesStrategicMerge' is deprecated. Please use 'patches' instead. Run 'kustomize edit fix' to update your Kustomization automatically.
# Warning: 'commonLabels' is deprecated. Please use 'labels' instead. Run 'kustomize edit fix' to update your Kustomization automatically.

• we should update our config files so that we don't get warnings anymore.

Anything else you would like to add:
[Miscellaneous information that will assist in solving the issue.]

• should be done both for cso and cspo

Environment:

• cluster-stack-operator version:
• Kubernetes version: (use kubectl version)
• OS (e.g. from /etc/os-release):

[kranurag7]

let webhooks get merged as well and then I'll create a patch for this
Ref: #163