What this PR does / why we need it:
This PR removes the dependency on kubeconfig for identifying the control cluster as seed and also, updates the integration tests documentation.
Which issue(s) this PR fixes:
Fixes part of #853
Special notes for your reviewer:
Release note:
fixed IT for seed with k8s >= 1.27 as control cluster
What this PR does / why we need it: This PR removes the dependency on kubeconfig for identifying the control cluster as seed and also, updates the integration tests documentation.
Which issue(s) this PR fixes: Fixes part of #853
Special notes for your reviewer:
Release note: