Regenerate client from commit 8c9b068 of spec repo (DataDog#3327)

Co-authored-by: ci.datadog-api-spec <packages@datadoghq.com>

Author: api-clients-generation-pipeline[bot]

.generator/schemas/v2/openapi.yaml

@@ -116514,12 +116514,22 @@ paths:
   /api/v2/metrics/{metric_name}/volumes:
     get:
       description: |-
-        View distinct metrics volumes for the given metric name.
+        View hourly average metric volumes for the given metric name over the look back period.
 
         Custom metrics generated in-app from other products will return `null` for ingested volumes.
       operationId: ListVolumesByMetricName
       parameters:
         - $ref: "#/components/parameters/MetricName"
+        - description: |-
+            The number of seconds of look back (from now).
+            Default value is 3,600 (1 hour), maximum value is 2,592,000 (1 month).
+          example: 7200
+          in: query
+          name: window[seconds]
+          required: false
+          schema:
+            format: int64
+            type: integer
       responses:
         "200":
           content:

features/scenarios_model_mapping.rb

@@ -3247,6 +3247,7 @@
     },
     "v2.ListVolumesByMetricName" => {
             "metric_name" => "String",
+            "window_seconds" => "Integer",
     },
     "v2.QueryScalarData" => {
             "body" => "ScalarFormulaQueryRequest",

lib/datadog_api_client/v2/api/metrics_api.rb

@@ -879,12 +879,13 @@ def list_volumes_by_metric_name(metric_name, opts = {})
 
     # List distinct metric volumes by metric name.
     #
-    # View distinct metrics volumes for the given metric name.
+    # View hourly average metric volumes for the given metric name over the look back period.
     #
     # Custom metrics generated in-app from other products will return `null` for ingested volumes.
     #
     # @param metric_name [String] The name of the metric.
     # @param opts [Hash] the optional parameters
+    # @option opts [Integer] :window_seconds The number of seconds of look back (from now). Default value is 3,600 (1 hour), maximum value is 2,592,000 (1 month).
     # @return [Array<(MetricVolumesResponse, Integer, Hash)>] MetricVolumesResponse data, response status code and response headers
     def list_volumes_by_metric_name_with_http_info(metric_name, opts = {})
 
@@ -900,6 +901,7 @@ def list_volumes_by_metric_name_with_http_info(metric_name, opts = {})
 
       # query parameters
       query_params = opts[:query_params] || {}
+      query_params[:'window[seconds]'] = opts[:'window_seconds'] if !opts[:'window_seconds'].nil?
 
       # header parameters
       header_params = opts[:header_params] || {}