Regenerate client from commit dd9e8af of spec repo

Author: ci.datadog-api-spec

.generator/schemas/v2/openapi.yaml

@@ -134746,9 +134746,9 @@ paths:
   /api/v2/metrics/{metric_name}/volumes:
     get:
       description: |-
-        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.
+        View hourly average cardinality for the given metric name over the look back period.
+        For Metric Name Pricing customers, view total point volume for the given metric name
+        over the look back period.
       operationId: ListVolumesByMetricName
       parameters:
         - $ref: "#/components/parameters/MetricName"

services/metrics/src/v2/MetricsApi.ts

@@ -2627,9 +2627,9 @@ export class MetricsApi {
   }
 
   /**
-   * 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.
+   * View hourly average cardinality for the given metric name over the look back period.
+   * For Metric Name Pricing customers, view total point volume for the given metric name
+   * over the look back period.
    * @param param The request object
    */
   public listVolumesByMetricName(