mark apm_resource_stats query is deprecated (#3511)

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

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

.generator/schemas/v1/openapi.yaml

@@ -3006,7 +3006,8 @@ components:
       x-enum-varnames:
         - APM_RESOURCE_STATS
     FormulaAndFunctionApmResourceStatsQueryDefinition:
-      description: APM resource stats query using formulas and functions.
+      deprecated: true
+      description: APM resource stats query using formulas and functions. Deprecated - Use `apm_metrics` query type instead.
       properties:
         cross_org_uuids:
           $ref: "#/components/schemas/CrossOrgUuids"

src/datadog_api_client/v1/model/formula_and_function_apm_resource_stats_query_definition.py

@@ -82,7 +82,7 @@ def __init__(
         **kwargs,
     ):
         """
-        APM resource stats query using formulas and functions.
+        APM resource stats query using formulas and functions. Deprecated - Use ``apm_metrics`` query type instead.
 
         :param cross_org_uuids: The source organization UUID for cross organization queries. Feature in Private Beta.
         :type cross_org_uuids: [str], optional