Update helm and kubectl to latest versions
kubectl versions updated to 1.26.5 1.26.5 1.27.2 following https://cloud.google.com/kubernetes-engine/docs/release-notes
helm updated to 3.12.2 from https://github.com/helm/helm/releases
kubectl versions updated to 1.26.5 1.26.5 1.27.2 following https://cloud.google.com/kubernetes-engine/docs/release-notes
helm updated to 3.12.2 from https://github.com/helm/helm/releases