Update Helm in Helmfile step

[romank-sb]

Can you update Helm version to latest in Helmfile step?

should be equal to one of the allowed values                                                                                                              
keyword:enum                                                                                                                                              
data path:.HELM_VERSION                                                                                                                                   
schema path: #/properties/HELM_VERSION/enum                                                                                                               
params:                                                                                                                                                   
allowedValues:2.14.3,2.17.0,3.0.0,3.0.3,3.1.1