Update dependencies to K8s 1.8

vendor/k8s.io/api/batch/v1/generated.proto

@@ -103,11 +103,16 @@ message JobSpec {
   // +optional
   optional int32 completions = 2;
 
-  // Optional duration in seconds relative to the startTime that the job may be active
+  // Specifies the duration in seconds relative to the startTime that the job may be active
   // before the system tries to terminate it; value must be positive integer
   // +optional
   optional int64 activeDeadlineSeconds = 3;
 
+  // Specifies the number of retries before marking this job failed.
+  // Defaults to 6
+  // +optional
+  optional int32 backoffLimit = 7;
+
   // A label query over pods that should match the pod count.
   // Normally, the system sets this field for you.
   // More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/#label-selectors