build: rename caren-helm-reg to better match role#969

jimmidyson merged 2 commits intomainnutanix-cloud-native/cluster-api-runtime-extensions-nutanix:mainfrom

dkoshkin/build-rename-image-caren-helm-regnutanix-cloud-native/cluster-api-runtime-extensions-nutanix:dkoshkin/build-rename-image-caren-helm-regCopy head branch name to clipboard