style: god forbid there's a trailing comma in the example

MHajoha · MHajoha · commit 83cba760beda · 2025-04-01T12:05:21.000+02:00
diff --git a/templates/iframe_question_content.mustache b/templates/iframe_question_content.mustache
@@ -31,7 +31,7 @@
     {
         "question_html": "Question HTML",
         "feedback_html": "Feedback HTML",
-        "warnings_html": "Warnings HTML",
+        "warnings_html": "Warnings HTML"
     }
 }}
 <div class="que">
