Add docs for 404 not found error in cost-onboarding-api (#2606)

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

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

.generated-info

@@ -1,4 +1,4 @@
 {
-  "spec_repo_commit": "e22129c",
-  "generated": "2025-08-25 17:47:35.253"
+  "spec_repo_commit": "1e6c346",
+  "generated": "2025-08-25 18:45:37.801"
 }

.generator/schemas/v2/openapi.yaml

@@ -49699,6 +49699,12 @@ paths:
               schema:
                 $ref: '#/components/schemas/APIErrorResponse'
           description: Forbidden
+        '404':
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/APIErrorResponse'
+          description: Not Found
         '429':
           $ref: '#/components/responses/TooManyRequestsResponse'
       security:
@@ -49851,6 +49857,12 @@ paths:
               schema:
                 $ref: '#/components/schemas/APIErrorResponse'
           description: Forbidden
+        '404':
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/APIErrorResponse'
+          description: Not Found
         '429':
           $ref: '#/components/responses/TooManyRequestsResponse'
       security:

cassettes/features/v2/cloud_cost_management/Update-Cloud-Cost-Management-AWS-CUR-config-returns-Not-Found-response.frozen

@@ -0,0 +1 @@
+2025-08-25T15:10:14.494Z

cassettes/features/v2/cloud_cost_management/Update-Cloud-Cost-Management-AWS-CUR-config-returns-Not-Found-response.yml

@@ -0,0 +1 @@
+2025-08-25T15:10:28.926Z

cassettes/features/v2/cloud_cost_management/Update-Cloud-Cost-Management-Azure-config-returns-Not-Found-response.frozen

@@ -267,6 +267,14 @@ Feature: Cloud Cost Management
     When the request is sent
     Then the response status is 200 OK
 
+  @team:Datadog/cloud-cost-management
+  Scenario: Update Cloud Cost Management AWS CUR config returns "Not Found" response
+    Given new "UpdateCostAWSCURConfig" request
+    And request contains "cloud_account_id" parameter with value 12345678
+    And body with value {"data": {"attributes": {"is_enabled": true}, "type": "aws_cur_config_patch_request"}}
+    When the request is sent
+    Then the response status is 404 Not Found
+
   @replay-only @team:Datadog/cloud-cost-management
   Scenario: Update Cloud Cost Management AWS CUR config returns "OK" response
     Given new "UpdateCostAWSCURConfig" request
@@ -284,6 +292,14 @@ Feature: Cloud Cost Management
     When the request is sent
     Then the response status is 400 Bad Request
 
+  @team:Datadog/cloud-cost-management
+  Scenario: Update Cloud Cost Management Azure config returns "Not Found" response
+    Given new "UpdateCostAzureUCConfigs" request
+    And request contains "cloud_account_id" parameter with value 12345678
+    And body with value {"data": {"attributes": {"is_enabled": true}, "type": "azure_uc_config_patch_request"}}
+    When the request is sent
+    Then the response status is 404 Not Found
+
   @replay-only @team:Datadog/cloud-cost-management
   Scenario: Update Cloud Cost Management Azure config returns "OK" response
     Given new "UpdateCostAzureUCConfigs" request