[meta] bump to helm 3.6.2

Author: jmlrt

README.md

@@ -78,7 +78,7 @@ exact versions are defined under `KUBERNETES_VERSIONS` in
 ### Helm versions
 
 While we are checking backward compatibility, the charts are only tested with
-Helm version mentioned in [helm-tester Dockerfile][] (currently 3.6.0).
+Helm version mentioned in [helm-tester Dockerfile][] (currently 3.6.2).
 
 
 ## ECK

helpers/helm-tester/Dockerfile

@@ -1,6 +1,6 @@
 FROM python:3.7
 
-ENV HELM_VERSION=3.6.0
+ENV HELM_VERSION=3.6.2
 
 RUN wget --no-verbose https://get.helm.sh/helm-v${HELM_VERSION}-linux-amd64.tar.gz && \
     tar xfv helm-v${HELM_VERSION}-linux-amd64.tar.gz && \

helpers/terraform/Dockerfile

@@ -3,7 +3,7 @@ FROM centos:7
 ENV VAULT_VERSION 0.9.3
 ENV TERRAFORM_VERSION=0.11.7
 ENV KUBECTL_VERSION=1.17.17
-ENV HELM_VERSION=3.6.0
+ENV HELM_VERSION=3.6.2
 ENV DOCKER_VERSION=18.09.7
 ENV JQ_VERSION=1.6