Regenerate client from commit 9a1ad838 of spec repo (#1198)

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

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

.apigentools-info

@@ -4,13 +4,13 @@
     "spec_versions": {
         "v1": {
             "apigentools_version": "1.6.4",
-            "regenerated": "2022-10-07 16:18:38.021199",
-            "spec_repo_commit": "1010045c"
+            "regenerated": "2022-10-07 16:37:15.267643",
+            "spec_repo_commit": "9a1ad838"
         },
         "v2": {
             "apigentools_version": "1.6.4",
-            "regenerated": "2022-10-07 16:18:38.032879",
-            "spec_repo_commit": "1010045c"
+            "regenerated": "2022-10-07 16:37:15.279648",
+            "spec_repo_commit": "9a1ad838"
         }
     }
 }

.generator/schemas/v2/openapi.yaml

@@ -5234,6 +5234,7 @@ components:
         created_at:
           description: The POSIX timestamp of the monitor's creation in nanoseconds.
           example: 1646318692000
+          format: int64
           type: integer
         group_status:
           description: Monitor group status used when there is no `result_groups`.