chore(deps): Bump webdav from 5.3.2 to 5.4.0

Bumps [webdav](https://github.com/perry-mitchell/webdav-client) from 5.3.2 to 5.4.0.
- [Changelog](https://github.com/perry-mitchell/webdav-client/blob/master/CHANGELOG.md)
- [Commits](perry-mitchell/webdav-client@v5.3.2...v5.4.0)

---
updated-dependencies:
- dependency-name: webdav
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

package.json

@@ -68,7 +68,7 @@
     "vue-virtual-scroller": "^1.1.2",
     "vue2-leaflet": "^2.7.1",
     "vuex": "^3.6.2",
-    "webdav": "^5.3.2",
+    "webdav": "^5.4.0",
     "webrtc-adapter": "^8.2.3",
     "webrtcsupport": "^2.2.0",
     "wildemitter": "^1.2.1"