feat(helm): validate cache file before updating
feat(helm): validate cache file before updating

qwangrepos/helm,iamzhout/helm,bacongobbler/helm,bradj/helm,fibonacci1729/helm,michelleN/deployment-manager,flynnduism/helm,sushilkm/helm,migmartri/helm,adamreese/helm,adamreese/deployment-manager,technosophos/deployment-manager,adamreese/deployment-manager,adamreese/deployment-manager,adamreese/helm,SlickNik/helm,rbwsam/helm,technosophos/deployment-manager,technosophos/k8s-helm,qwangrepos/helm,SlickNik/helm,iamzhout/helm,technosophos/k8s-helm,bacongobbler/helm,yan234280533/helm,thomastaylor312/helm,fibonacci1729/helm,jascott1/helm,migmartri/helm,flynnduism/helm,eicnix/helm,vaikas-google/deployment-manager,technosophos/deployment-manager,bradj/helm,sushilkm/helm,vaikas-google/deployment-manager,adamreese/deployment-manager,eicnix/helm,rbwsam/helm,michelleN/deployment-manager,thomastaylor312/helm,FengyunPan/helm,technosophos/deployment-manager,FengyunPan/helm,appscode/helm,kdada/helm,adamreese/deployment-manager,helm/helm,appscode/helm,technosophos/deployment-manager,helm/helm,michelleN/deployment-manager,yan234280533/helm,jascott1/helm,michelleN/deployment-manager,kdada/helm