Update go dependencies

vendor/k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1beta1/generated.proto

@@ -46,12 +46,13 @@ message ConversionRequest {
 // ConversionResponse describes a conversion response.
 message ConversionResponse {
   // `uid` is an identifier for the individual request/response.
-  // This should be copied over from the corresponding AdmissionRequest.
+  // This should be copied over from the corresponding ConversionRequest.
   optional string uid = 1;
 
   // `convertedObjects` is the list of converted version of `request.objects` if the `result` is successful otherwise empty.
   // The webhook is expected to set apiVersion of these objects to the ConversionRequest.desiredAPIVersion. The list
-  // must also has the same size as input list with the same objects in the same order(i.e. equal UIDs and object meta)
+  // must also have the same size as the input list with the same objects in the same order (equal kind, UID, name and namespace).
+  // The webhook is allowed to mutate labels and annotations. Any other change to the metadata is silently ignored.
   repeated k8s.io.apimachinery.pkg.runtime.RawExtension convertedObjects = 2;
 
   // `result` contains the result of conversion with extra details if the conversion failed. `result.status` determines if
@@ -106,7 +107,8 @@ message CustomResourceColumnDefinition {
 message CustomResourceConversion {
   // `strategy` specifies the conversion strategy. Allowed values are:
   // - `None`: The converter only change the apiVersion and would not touch any other field in the CR.
-  // - `Webhook`: API Server will call to an external webhook to do the conversion. Additional information is needed for this option.
+  // - `Webhook`: API Server will call to an external webhook to do the conversion. Additional information
+  //   is needed for this option. This requires spec.preserveUnknownFields to be false.
   optional string strategy = 1;
 
   // `webhookClientConfig` is the instructions for how to call the webhook if strategy is `Webhook`. This field is
@@ -140,7 +142,7 @@ message CustomResourceDefinition {
 
 // CustomResourceDefinitionCondition contains details for the current condition of this pod.
 message CustomResourceDefinitionCondition {
-  // Type is the type of the condition.
+  // Type is the type of the condition. Types include Established, NamesAccepted and Terminating.
   optional string type = 1;
 
   // Status is the status of the condition.
@@ -247,6 +249,12 @@ message CustomResourceDefinitionSpec {
   // `conversion` defines conversion settings for the CRD.
   // +optional
   optional CustomResourceConversion conversion = 9;
+
+  // preserveUnknownFields disables pruning of object fields which are not
+  // specified in the OpenAPI schema. apiVersion, kind, metadata and known
+  // fields inside metadata are always preserved.
+  // Defaults to true in v1beta and will default to false in v1.
+  optional bool preserveUnknownFields = 10;
 }
 
 // CustomResourceDefinitionStatus indicates the state of the CustomResourceDefinition
@@ -321,8 +329,11 @@ message CustomResourceSubresourceScale {
 
   // LabelSelectorPath defines the JSON path inside of a CustomResource that corresponds to Scale.Status.Selector.
   // Only JSON paths without the array notation are allowed.
-  // Must be a JSON Path under .status.
+  // Must be a JSON Path under .status or .spec.
   // Must be set to work with HPA.
+  // The field pointed by this JSON path must be a string field (not a complex selector struct)
+  // which contains a serialized label selector in string form.
+  // More info: https://kubernetes.io/docs/tasks/access-kubernetes-api/custom-resources/custom-resource-definitions#scale-subresource
   // If there is no value under the given path in the CustomResource, the status label selector value in the /scale
   // subresource will default to the empty string.
   // +optional
@@ -384,6 +395,9 @@ message JSONSchemaProps {
 
   optional string title = 7;
 
+  // default is a default value for undefined object fields.
+  // Defaulting is an alpha feature under the CustomResourceDefaulting feature gate.
+  // Defaulting requires spec.preserveUnknownFields to be false.
   optional JSON default = 8;
 
   optional double maximum = 9;
@@ -443,6 +457,38 @@ message JSONSchemaProps {
   optional JSON example = 36;
 
   optional bool nullable = 37;
+
+  // x-kubernetes-preserve-unknown-fields stops the API server
+  // decoding step from pruning fields which are not specified
+  // in the validation schema. This affects fields recursively,
+  // but switches back to normal pruning behaviour if nested
+  // properties or additionalProperties are specified in the schema.
+  // This can either be true or undefined. False is forbidden.
+  optional bool xKubernetesPreserveUnknownFields = 38;
+
+  // x-kubernetes-embedded-resource defines that the value is an
+  // embedded Kubernetes runtime.Object, with TypeMeta and
+  // ObjectMeta. The type must be object. It is allowed to further
+  // restrict the embedded object. kind, apiVersion and metadata
+  // are validated automatically. x-kubernetes-preserve-unknown-fields
+  // is allowed to be true, but does not have to be if the object
+  // is fully specified (up to kind, apiVersion, metadata).
+  optional bool xKubernetesEmbeddedResource = 39;
+
+  // x-kubernetes-int-or-string specifies that this value is
+  // either an integer or a string. If this is true, an empty
+  // type is allowed and type as child of anyOf is permitted
+  // if following one of the following patterns:
+  //
+  // 1) anyOf:
+  //    - type: integer
+  //    - type: string
+  // 2) allOf:
+  //    - anyOf:
+  //      - type: integer
+  //      - type: string
+  //    - ... zero or more
+  optional bool xKubernetesIntOrString = 40;
 }
 
 // JSONSchemaPropsOrArray represents a value that can either be a JSONSchemaProps
@@ -482,6 +528,12 @@ message ServiceReference {
   // this service.
   // +optional
   optional string path = 3;
+
+  // If specified, the port on the service that hosting webhook.
+  // Default to 443 for backward compatibility.
+  // `port` should be a valid port number (1-65535, inclusive).
+  // +optional
+  optional int32 port = 4;
 }
 
 // WebhookClientConfig contains the information to make a TLS
@@ -521,8 +573,6 @@ message WebhookClientConfig {
   //
   // If the webhook is running within the cluster, then you should use `service`.
   //
-  // Port 443 will be used if it is open, otherwise it is an error.
-  //
   // +optional
   optional ServiceReference service = 1;