Bump webdav from 3.6.2 to 4.0.0

Bumps [webdav](https://github.com/perry-mitchell/webdav-client) from 3.6.2 to 4.0.0.
- [Release notes](https://github.com/perry-mitchell/webdav-client/releases)
- [Changelog](https://github.com/perry-mitchell/webdav-client/blob/master/CHANGELOG.md)
- [Commits](perry-mitchell/webdav-client@v3.6.2...v4.0.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Author: dependabot-preview[bot]

package-lock.json

@@ -87,7 +87,7 @@
     "vuedraggable": "^2.24.3",
     "vuex": "^3.6.2",
     "vuex-router-sync": "^5.0.0",
-    "webdav": "^3.6.2"
+    "webdav": "^4.0.0"
   },
   "devDependencies": {
     "@babel/core": "^7.12.13",