fix: update superClass of role doc-pullquote to match DPub-ARIA 1.1

Author: huynhducduy

scripts/roles.json

@@ -2625,7 +2625,7 @@
     "requiredContextRole": [],
     "requiredOwnedElements": [],
     "requiredProps": [],
-    "superClass": ["none"]
+    "superClass": ["section"]
   },
   "doc-qna": {
     "abstract": false,

src/etc/roles/dpub/docPullquoteRole.js

@@ -25,7 +25,9 @@ const docPullquoteRole: ARIARoleDefinition = {
   requiredProps: {},
   superClass: [
     [
-      'none',
+      'roletype',
+      'structure',
+      'section',
     ],
   ],
 };