feat(discovery): update the api

#### discovery:v1

The following keys were added:
- schemas.RestMethod.properties.apiVersion.type (Total Keys: 1)

docs/dyn/discovery_v1.apis.html

@@ -141,6 +141,7 @@ <h3>Method Details</h3>
   ],
   &quot;methods&quot;: { # API-level methods for this API.
     &quot;a_key&quot;: { # An individual method description.
+      &quot;apiVersion&quot;: &quot;A String&quot;, # The API Version of this method, as passed in via the `X-Goog-Api-Version` header or `$apiVersion` query parameter.
       &quot;deprecated&quot;: True or False, # Whether this method is deprecated.
       &quot;description&quot;: &quot;A String&quot;, # Description of this method.
       &quot;etagRequired&quot;: True or False, # Whether this method requires an ETag to be specified. The ETag is sent as an HTTP If-Match or If-None-Match header.
@@ -285,6 +286,7 @@ <h3>Method Details</h3>
       &quot;deprecated&quot;: True or False, # Whether this resource is deprecated.
       &quot;methods&quot;: { # Methods on this resource.
         &quot;a_key&quot;: { # Description for any methods on this resource.
+          &quot;apiVersion&quot;: &quot;A String&quot;, # The API Version of this method, as passed in via the `X-Goog-Api-Version` header or `$apiVersion` query parameter.
           &quot;deprecated&quot;: True or False, # Whether this method is deprecated.
           &quot;description&quot;: &quot;A String&quot;, # Description of this method.
           &quot;etagRequired&quot;: True or False, # Whether this method requires an ETag to be specified. The ETag is sent as an HTTP If-Match or If-None-Match header.

googleapiclient/discovery_cache/documents/discovery.v1.json

@@ -555,6 +555,10 @@
 "RestMethod": {
 "id": "RestMethod",
 "properties": {
+"apiVersion": {
+"description": "The API Version of this method, as passed in via the `X-Goog-Api-Version` header or `$apiVersion` query parameter.",
+"type": "string"
+},
 "deprecated": {
 "description": "Whether this method is deprecated.",
 "type": "boolean"