chore(ci): limit cross build targets
chore(ci): limit cross build targets

Limit cross builds to linux/amd64 linux/386 darwin/amd64

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