fix(deps): update dependency yjs to ^13.6.26

Author: renovate[bot]

package-lock.json

@@ -112,7 +112,7 @@
     "webdav": "^5.8.0",
     "y-prosemirror": "^1.3.2",
     "y-protocols": "^1.0.6",
-    "yjs": "^13.6.24"
+    "yjs": "^13.6.26"
   },
   "engines": {
     "node": "^20.0.0",