feat: Update swagger to openapi 3.0.4, update request payloads with examples (#11374)

swagger/paths/application/portal/index.yml

@@ -3,17 +3,23 @@ tags:
 operationId: get-portal
 summary: List all portals in an account
 parameters:
-  - $ref: '#/parameters/account_id'
+  - $ref: '#/components/parameters/account_id'
 description: Get details of portals in an Account
 security:
   - userApiKey: []
 responses:
   '200':
     description: Success
-    schema:
-      type: array
-      description: Array of all portals
-      items:
-        $ref: '#/definitions/portal'
+    content:
+      application/json:
+        schema:
+          type: array
+          description: Array of all portals
+          items:
+            $ref: '#/components/schemas/portal'
   '403':
     description: Access denied
+    content:
+      application/json:
+        schema:
+          $ref: '#/components/schemas/bad_request_error'