kettle: expand pvc to 3Gi
kettle: expand pvc to 3Gi

this was done manually already, bringing files up to date

cjwagner/test-infra,cjwagner/test-infra,cjwagner/test-infra,cjwagner/test-infra,kubernetes/test-infra,jessfraz/test-infra,dims/test-infra,kubernetes/test-infra,dims/test-infra,jessfraz/test-infra,dims/test-infra,BenTheElder/test-infra,dims/test-infra,BenTheElder/test-infra,cjwagner/test-infra,kubernetes/test-infra,BenTheElder/test-infra,dims/test-infra,jessfraz/test-infra,BenTheElder/test-infra,jessfraz/test-infra,cjwagner/test-infra,kubernetes/test-infra,kubernetes/test-infra,BenTheElder/test-infra,kubernetes/test-infra,dims/test-infra,jessfraz/test-infra,jessfraz/test-infra,BenTheElder/test-infra