update readme helm install 0.4.3

Author: nkowenski

charts/cluster-secret/README.md

@@ -66,5 +66,5 @@ For older kubernes (<1.19) use the image tag "0.0.6" in  yaml/02_deployment.yaml
 
 ```bash
 helm repo add clustersecret https://charts.clustersecret.com/
-helm install clustersecret clustersecret/cluster-secret --version 0.4.2 -n clustersecret --create-namespace
+helm install clustersecret clustersecret/cluster-secret --version 0.4.3 -n clustersecret --create-namespace
 ```