Upgrade helm plugin to v0.9.1

Author: devopsmariocom

Dockerfile

@@ -1,7 +1,7 @@
 FROM alpine:3.12.0 as fetcher
 
 ARG KUSTOMIZE_VERSION=v3.8.2
-ARG KUSTIMIZE_HELM_PLUGIN=v0.9.0-beta
+ARG KUSTIMIZE_HELM_PLUGIN=v0.9.1
 
 RUN wget -O- https://github.com/kubernetes-sigs/kustomize/releases/download/kustomize/${KUSTOMIZE_VERSION}/kustomize_${KUSTOMIZE_VERSION}_linux_amd64.tar.gz | tar xvz -C /usr/local/bin/