docs: Make update-subscription-properties use curl example system.

templates/zerver/api/update-subscription-properties.md

@@ -15,16 +15,7 @@ per-stream notification settings.
 
 {tab|curl}
 
-``` curl
-curl -X POST {{ api_url }}/v1/users/me/subscriptions/properties \
-     -u BOT_EMAIL_ADDRESS:BOT_API_KEY \
-     -d 'subscription_data=[{"stream_id": 1, \
-                             "property": "pin_to_top", \
-                             "value": true}, \
-                            {"stream_id": 3, \
-                             "property": "color", \
-                             "value": 'f00'}]'
-```
+{generate_code_example(curl)|/users/me/subscriptions/properties:post|example}
 
 {end_tabs}
 

zerver/openapi/test_curl_examples.py

@@ -26,6 +26,7 @@ exclude_list = [
     'get-message-history.md',
     'update-message-flags.md',
     'mark-as-read-bulk.md',
+    'update-subscription-properties.md',
 ]
 
 def test_generated_curl_examples_for_success(client: Client) -> None:

zerver/openapi/zulip.yaml

@@ -1815,7 +1815,7 @@ paths:
           type: array
           items:
             type: object
-        example: [{"stream_id": 1, "property": "pin_to_top", "value": true}]
+        example: [{"stream_id": 1, "property": "pin_to_top", "value": true}, {"stream_id": 3, "property": "color", "value": '#f00f00'}]
         required: true
       security:
       - basicAuth: []