Regenerate client from commit b4ace00 of spec repo (#575)

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": "1.4.1.dev11",
-            "regenerated": "2021-09-07 16:45:42.990584",
-            "spec_repo_commit": "8d89f84"
+            "regenerated": "2021-09-08 14:44:18.037306",
+            "spec_repo_commit": "b4ace00"
         },
         "v2": {
             "apigentools_version": "1.4.1.dev11",
-            "regenerated": "2021-09-07 16:46:05.269796",
-            "spec_repo_commit": "8d89f84"
+            "regenerated": "2021-09-08 14:44:37.921310",
+            "spec_repo_commit": "b4ace00"
         }
     }
 }