chore: bump version to 5.69.11

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: Yukaii

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@hackmd/codemirror",
-  "version": "5.65.9",
+  "version": "5.65.11",
   "main": "lib/codemirror.js",
   "style": "lib/codemirror.css",
   "author": {