upd helm repo url

Author: mikhail-klimko

README.md

@@ -42,7 +42,7 @@ EOF
 ```
 
 ```shell
-helm repo add codefresh-onprem-prod http://charts.codefresh.io/prod
+helm repo add codefresh-onprem-prod https://chartmuseum.codefresh.io/codefresh
 helm pull codefresh-onprem-prod/codefresh
 helm upgrade --install cf codefresh-onprem-prod/codefresh -f values-main.yaml --create-namespace --namespace codefresh --debug
 ```