Test for helm 2 support

.github/actions/helm/action.yml

@@ -4,6 +4,12 @@ author: 'Stefan Prodan'
 branding:
   icon: 'command'
   color: 'blue'
+inputs:
+  helm-version:
+    description: Helm version to use
+    required: true
 runs:
   using: 'docker'
   image: 'Dockerfile'
+  args:
+    - ${{ inputs.helm-version }}

.github/actions/helm/entrypoint.sh

@@ -3,7 +3,7 @@
 set -o errexit
 set -o pipefail
 
-HELM_VERSION=3.2.1
+HELM_VERSION=$1
 BIN_DIR="$GITHUB_WORKSPACE/bin"
 
 main() {