Sync OpenAPI specification with backend (#1506)

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": "1.6.6",
-            "regenerated": "2024-01-29 18:55:20.121425",
-            "spec_repo_commit": "5ded48a3"
+            "regenerated": "2024-01-30 19:41:25.033241",
+            "spec_repo_commit": "31c15660"
         },
         "v2": {
             "apigentools_version": "1.6.6",
-            "regenerated": "2024-01-29 18:55:20.136596",
-            "spec_repo_commit": "5ded48a3"
+            "regenerated": "2024-01-30 19:41:25.053121",
+            "spec_repo_commit": "31c15660"
         }
     }
 }

.generator/schemas/v2/openapi.yaml

@@ -23026,7 +23026,8 @@ paths:
       security:
       - apiKeyAuth: []
         appKeyAuth: []
-      - AuthZ: []
+      - AuthZ:
+        - usage_read
       summary: Get active billing dimensions for cost attribution
       tags:
       - Usage Metering
@@ -23147,7 +23148,8 @@ paths:
       security:
       - apiKeyAuth: []
         appKeyAuth: []
-      - AuthZ: []
+      - AuthZ:
+        - usage_read
       summary: Get Monthly Cost Attribution
       tags:
       - Usage Metering