[METEXP-2068] Deprecate api/v1/search Endpoint (#1008)

Co-authored-by: ci.datadog-api-spec <[email protected]>

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

.generator/schemas/v1/openapi.yaml

@@ -32563,7 +32563,11 @@ 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. 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

src/datadogV1/api/api_metrics.rs

@@ -437,6 +437,8 @@ impl MetricsAPI {
         }
     }
 
+    /// **Note**: This endpoint is deprecated. Use `/api/v2/metrics` instead.
+    ///
     /// Search for metrics from the last 24 hours in Datadog.
     pub async fn list_metrics(
         &self,
@@ -457,6 +459,8 @@ impl MetricsAPI {
         }
     }
 
+    /// **Note**: This endpoint is deprecated. Use `/api/v2/metrics` instead.
+    ///
     /// Search for metrics from the last 24 hours in Datadog.
     pub async fn list_metrics_with_http_info(
         &self,