Regenerate client from commit 36f6365 of spec repo (#899)

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": "2021-07-16 09:10:37.123948",
-            "spec_repo_commit": "a499a64"
+            "regenerated": "2021-07-16 09:58:36.376087",
+            "spec_repo_commit": "36f6365"
         },
         "v2": {
             "apigentools_version": "1.4.1.dev11",
-            "regenerated": "2021-07-16 09:11:17.707600",
-            "spec_repo_commit": "a499a64"
+            "regenerated": "2021-07-16 09:59:14.926810",
+            "spec_repo_commit": "36f6365"
         }
     }
 }

src/main/java/com/datadog/api/v1/openapi.yaml

@@ -18127,6 +18127,7 @@ components:
           The numeric value format should be a 32bit float gauge-type value.
           Current is defined as not more than 10 minutes in the future or more than 1 hour in the past.
         format: double
+        nullable: true
         type: number
       maxItems: 2
       minItems: 2