Update GKE version to 1.10.9-gke.3
Update GKE version to 1.10.9-gke.3

mrtyler/gpii-terraform,mrtyler/gpii-infra,mrtyler/gpii-infra,mrtyler/gpii-infra,mrtyler/gpii-infra,mrtyler/gpii-terraform,mrtyler/gpii-terraform