Outdated question? It is `tanzu` not `tkg`
tanzu cluster upgrade ${CLUSTER_NAME} --tkr ${K8S_VERSION}
https://docs.vmware.com/en/VMware-Tanzu-Kubernetes-Grid/1.5/vmware-tanzu-kubernetes-grid-15/GUID-tanzu-cli-reference.html
B...To upgrade a cluster using the Tanzu CLI, you need to specify the cluster name and the target Kubernetes version. The command you entered is correct, but you need to replace the placeholders with actual values. For example, if your cluster name is my-cluster and you want to upgrade it to Kubernetes version 1.22.17, you would run:
tkg upgrade cluster my-cluster --kubernetes-version 1.22.17
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rahimtolba
Highly Voted 2 years, 5 months agojayendra90
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