fix(ci): disable running coverage in parallel
fix(ci): disable running coverage in parallel

Running in parallel will crash a circle ci node. Disabling until we can
build in some safeguards.

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