Fix build break

Author: be5invis

shared/data-import/raw/metadata.json

@@ -35787,7 +35787,7 @@
         "desc": "Enable ligation for `[|` and `|]`"
       },
       "markdown-checkboxes": {
-        "sample": [
+        "samples": [
           "- [ ]",
           "- [x]",
           "- [X]"