Webhooks integration SDK (#549)

* Add support for upper, record

* Regenerate client from commit 64ee0b9 of spec repo

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

Author: 3 people

.apigentools-info

@@ -4,13 +4,13 @@
     "spec_versions": {
         "v1": {
             "apigentools_version": "1.4.1.dev11",
-            "regenerated": "2021-08-12 12:17:54.309916",
-            "spec_repo_commit": "fa2403b"
+            "regenerated": "2021-08-13 15:33:56.347479",
+            "spec_repo_commit": "64ee0b9"
         },
         "v2": {
             "apigentools_version": "1.4.1.dev11",
-            "regenerated": "2021-08-12 12:18:17.652549",
-            "spec_repo_commit": "fa2403b"
+            "regenerated": "2021-08-13 15:34:20.892877",
+            "spec_repo_commit": "64ee0b9"
         }
     }
 }