Bump hyperkube to 1.12.3

Change-Id: Iad345aa68fe35e4e8d1a21ab93c5b7c1cfc97732
Related-PROD: PROD-25390
diff --git a/jenkins/client/job/deploy/update/kubernetes_update.yml b/jenkins/client/job/deploy/update/kubernetes_update.yml
index 4e511b1..6b94dc3 100644
--- a/jenkins/client/job/deploy/update/kubernetes_update.yml
+++ b/jenkins/client/job/deploy/update/kubernetes_update.yml
@@ -27,11 +27,11 @@
           param:
             KUBERNETES_HYPERKUBE_IMAGE:
               type: string
-              default: "${_param:kubernetes_hyperkube_repo}/hyperkube-amd64:v1.11.3-2"
+              default: "${_param:kubernetes_hyperkube_repo}/hyperkube-amd64:v1.12.3-2"
               description: "Versioned image to update control plane from. Should be null if update rolling via reclass-system level"
             KUBERNETES_PAUSE_IMAGE:
               type: string
-              default: "${_param:kubernetes_hyperkube_repo}/pause-amd64:v1.11.3-2"
+              default: "${_param:kubernetes_hyperkube_repo}/pause-amd64:v1.12.3-2"
               description: "Versioned pause image to use in deployments. Should be null if update rolling via reclass-system level"
             SALT_MASTER_URL:
               type: string