Add support for shared dashboards endpoints (#1928)

* include type in composite literal (by Sherzod)

* Regenerate client from commit c9aa3e76 of spec repo

---------

Co-authored-by: Kevin Zou <kevin.zou@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>

.apigentools-info

@@ -4,13 +4,13 @@
     "spec_versions": {
         "v1": {
             "apigentools_version": "1.6.4",
-            "regenerated": "2023-04-14 15:23:08.226309",
-            "spec_repo_commit": "61947562"
+            "regenerated": "2023-04-17 14:56:12.223857",
+            "spec_repo_commit": "c9aa3e76"
         },
         "v2": {
             "apigentools_version": "1.6.4",
-            "regenerated": "2023-04-14 15:23:08.238766",
-            "spec_repo_commit": "61947562"
+            "regenerated": "2023-04-17 14:56:12.239075",
+            "spec_repo_commit": "c9aa3e76"
         }
     }
 }