Add note that Usage Metering is unavailable in US1-FED (#408)

Co-authored-by: ci.datadog-api-spec <[email protected]>

Author: api-clients-generation-pipeline[bot]

.apigentools-info

@@ -4,13 +4,13 @@
     "spec_versions": {
         "v1": {
             "apigentools_version": "1.6.6",
-            "regenerated": "2024-12-18 17:18:31.310793",
-            "spec_repo_commit": "8cb3faac"
+            "regenerated": "2024-12-18 19:23:38.680515",
+            "spec_repo_commit": "3f22290a"
         },
         "v2": {
             "apigentools_version": "1.6.6",
-            "regenerated": "2024-12-18 17:18:31.326940",
-            "spec_repo_commit": "8cb3faac"
+            "regenerated": "2024-12-18 19:23:38.695560",
+            "spec_repo_commit": "3f22290a"
         }
     }
 }

.generator/schemas/v2/openapi.yaml

@@ -32622,7 +32622,8 @@ paths:
         != null BEGIN\n  sleep(5 seconds)  # Avoid running into rate limit\n  response
         := GetMonthlyCostAttribution(start_month, end_month, next_record_id=cursor)\n
         \ cursor := response.metadata.pagination.next_record_id\nEND\n```\n\nThis
-        endpoint is only accessible for [parent-level organizations](https://docs.datadoghq.com/account_management/multi_organization/)."
+        endpoint is only accessible for [parent-level organizations](https://docs.datadoghq.com/account_management/multi_organization/).
+        This endpoint is not available in the Government (US1-FED) site."
       operationId: GetMonthlyCostAttribution
       parameters:
       - description: 'Datetime in ISO-8601 format, UTC, precise to month: `[YYYY-MM]`

src/datadogV2/api/api_usage_metering.rs

@@ -1370,7 +1370,7 @@ impl UsageMeteringAPI {
     /// END
     /// ```
     ///
-    /// This endpoint is only accessible for [parent-level organizations](<https://docs.datadoghq.com/account_management/multi_organization/>).
+    /// This endpoint is only accessible for [parent-level organizations](<https://docs.datadoghq.com/account_management/multi_organization/>). This endpoint is not available in the Government (US1-FED) site.
     pub async fn get_monthly_cost_attribution(
         &self,
         start_month: chrono::DateTime<chrono::Utc>,
@@ -1412,7 +1412,7 @@ impl UsageMeteringAPI {
     /// END
     /// ```
     ///
-    /// This endpoint is only accessible for [parent-level organizations](<https://docs.datadoghq.com/account_management/multi_organization/>).
+    /// This endpoint is only accessible for [parent-level organizations](<https://docs.datadoghq.com/account_management/multi_organization/>). This endpoint is not available in the Government (US1-FED) site.
     pub async fn get_monthly_cost_attribution_with_http_info(
         &self,
         start_month: chrono::DateTime<chrono::Utc>,