Regenerate client from commit 1234f212 of spec repo

Author: ci.datadog-api-spec

.apigentools-info

@@ -4,13 +4,13 @@
     "spec_versions": {
         "v1": {
             "apigentools_version": "1.6.6",
-            "regenerated": "2023-10-12 14:52:31.572608",
-            "spec_repo_commit": "9c8a1ad7"
+            "regenerated": "2023-10-12 15:59:51.856645",
+            "spec_repo_commit": "1234f212"
         },
         "v2": {
             "apigentools_version": "1.6.6",
-            "regenerated": "2023-10-12 14:52:31.589591",
-            "spec_repo_commit": "9c8a1ad7"
+            "regenerated": "2023-10-12 15:59:51.873650",
+            "spec_repo_commit": "1234f212"
         }
     }
 }

.generator/schemas/v1/openapi.yaml

@@ -6611,6 +6611,7 @@ components:
             This is only used by CI Test and Pipeline monitors.
           type: boolean
         escalation_message:
+          default: none
           description: 'We recommend using the [is_renotify](https://docs.datadoghq.com/monitors/notify/?tab=is_alert#renotify),
 
             block in the original message instead.