Add support for service definitions APIs

* Handle attribute map ine oneOf, fix glom on models

* Fix example generation

* Regenerate client from commit 9f80a9c5 of spec repo

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

Author: 3 people

.apigentools-info

@@ -4,13 +4,13 @@
     "spec_versions": {
         "v1": {
             "apigentools_version": "1.6.4",
-            "regenerated": "2022-10-07 18:45:14.731875",
-            "spec_repo_commit": "e5a0f5b3"
+            "regenerated": "2022-10-12 15:56:51.111827",
+            "spec_repo_commit": "9f80a9c5"
         },
         "v2": {
             "apigentools_version": "1.6.4",
-            "regenerated": "2022-10-07 18:45:14.743394",
-            "spec_repo_commit": "e5a0f5b3"
+            "regenerated": "2022-10-12 15:56:51.225342",
+            "spec_repo_commit": "9f80a9c5"
         }
     }
 }