Correct Error Response of Metric Tag Cardinalities Endpoint (DataDog#2591)

Co-authored-by: ci.datadog-api-spec <packages@datadoghq.com>

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

.generated-info

@@ -1,4 +1,4 @@
 {
-  "spec_repo_commit": "d02c8a3",
-  "generated": "2025-08-08 12:07:05.112"
+  "spec_repo_commit": "3a6cb30",
+  "generated": "2025-08-12 15:41:18.406"
 }

.generator/schemas/v2/openapi.yaml

@@ -55875,25 +55875,25 @@ paths:
           content:
             application/json:
               schema:
-                $ref: '#/components/schemas/APIErrorResponse'
+                $ref: '#/components/schemas/JSONAPIErrorResponse'
           description: Bad Request
         '403':
           content:
             application/json:
               schema:
-                $ref: '#/components/schemas/APIErrorResponse'
+                $ref: '#/components/schemas/JSONAPIErrorResponse'
           description: Forbidden
         '404':
           content:
             application/json:
               schema:
-                $ref: '#/components/schemas/APIErrorResponse'
+                $ref: '#/components/schemas/JSONAPIErrorResponse'
           description: Not Found
         '429':
           content:
             application/json:
               schema:
-                $ref: '#/components/schemas/APIErrorResponse'
+                $ref: '#/components/schemas/JSONAPIErrorResponse'
           description: Too Many Requests
       summary: Get tag key cardinality details
       tags: