Regenerate client from commit b2a1c28 of spec repo

Author: ci.datadog-api-spec

.generator/schemas/v1/openapi.yaml

@@ -32533,7 +32533,12 @@ paths:
         - timeseries_query
   /api/v1/search:
     get:
-      description: Search for metrics from the last 24 hours in Datadog.
+      deprecated: true
+      description: '**Note**: This endpoint is deprecated. Please use `/api/v2/metrics`
+        instead.
+
+
+        Search for metrics from the last 24 hours in Datadog.'
       operationId: ListMetrics
       parameters:
       - description: Query string to search metrics upon. Can optionally be prefixed

lib/datadog_api_client/v1/api/metrics_api.rb

@@ -168,12 +168,17 @@ def list_metrics(q, opts = {})
 
     # Search metrics.
     #
+    # **Note**: This endpoint is deprecated. Please use `/api/v2/metrics` instead.
+    #
     # Search for metrics from the last 24 hours in Datadog.
     #
+    # @deprecated This API is deprecated.
+    #
     # @param q [String] Query string to search metrics upon. Can optionally be prefixed with `metrics:`.
     # @param opts [Hash] the optional parameters
     # @return [Array<(MetricSearchResponse, Integer, Hash)>] MetricSearchResponse data, response status code and response headers
     def list_metrics_with_http_info(q, opts = {})
+      warn "[DEPRECATION] `ListMetrics` is deprecated."
 
       if @api_client.config.debugging
         @api_client.config.logger.debug 'Calling API: MetricsAPI.list_metrics ...'