Fix v1beta1.CustomRun GVK

This was using `Runs` but should be `CustomRuns`.
Be aware this is potentially breaking behavior, but is a bug fix to what
the value should be.

pkg/apis/pipeline/v1beta1/customrun_types.go

@@ -194,7 +194,7 @@ func (r *CustomRun) GetStatusCondition() apis.ConditionAccessor {
 
 // GetGroupVersionKind implements kmeta.OwnerRefable.
 func (*CustomRun) GetGroupVersionKind() schema.GroupVersionKind {
-	return SchemeGroupVersion.WithKind(pipeline.RunControllerName)
+	return SchemeGroupVersion.WithKind(pipeline.CustomRunControllerName)
 }
 
 // HasPipelineRunOwnerReference returns true of CustomRun has