fix(deps): update dependency webdav to ^5.9.0

Author: renovate[bot]

package-lock.json

@@ -67,7 +67,7 @@
     "vue": "^2.7.16",
     "vue-async-computed": "^3.9.0",
     "vue-material-design-icons": "^5.3.1",
-    "webdav": "^5.7.1"
+    "webdav": "^5.9.0"
   },
   "browserslist": [
     "extends @nextcloud/browserslist-config"