refactor: Change 500 for /api/v1/data-hub/interpolation-variables

Author: caoccao

ext/hivemq-edge-openapi-2025.11.yaml

@@ -1828,7 +1828,7 @@ paths:
           content:
             application/json:
               schema:
-                $ref: '#/components/schemas/ProblemDetails'
+                $ref: '#/components/schemas/InternalServerError'
           description: Internal server error
       summary: Get all interpolation variables
       tags:

ext/openAPI/paths/api_v1_data-hub_interpolation-variables.yaml

@@ -12,7 +12,7 @@ get:
       content:
         application/json:
           schema:
-            $ref: ../components/schemas/ProblemDetails.yaml
+            $ref: "../components/schemas/errors/http/InternalServerError.yaml"
       description: Internal server error
   summary: Get all interpolation variables
   tags: