Sync OpenAPI specification with backend (#1286)

Co-authored-by: ci.datadog-api-spec <packages@datadoghq.com>
Co-authored-by: api-clients-generation-pipeline[bot] <54105614+api-clients-generation-pipeline[bot]@users.noreply.github.com>

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

.apigentools-info

@@ -4,13 +4,13 @@
     "spec_versions": {
         "v1": {
             "apigentools_version": "1.6.4",
-            "regenerated": "2023-01-03 13:40:08.022216",
-            "spec_repo_commit": "89fd9735"
+            "regenerated": "2023-01-05 14:33:34.976551",
+            "spec_repo_commit": "024e9975"
         },
         "v2": {
             "apigentools_version": "1.6.4",
-            "regenerated": "2023-01-03 13:40:08.179564",
-            "spec_repo_commit": "89fd9735"
+            "regenerated": "2023-01-05 14:33:35.122587",
+            "spec_repo_commit": "024e9975"
         }
     }
 }

.generator/schemas/v2/openapi.yaml

@@ -11627,6 +11627,9 @@ components:
             incident_settings_write: Configure Incidents settings.
             incident_write: Create, view, and manage incidents in Datadog.
             metrics_read: View custom metrics.
+            monitors_downtime: Set downtimes to suppress alerts from any monitor in
+              an organization. The ability to write monitors is not required to set
+              downtimes.
             monitors_read: View monitors.
             security_monitoring_filters_read: Read Security Filters.
             security_monitoring_filters_write: Create, edit, and delete Security Filters.