build(deps): Bump webdav from 5.7.1 to 5.8.0

Bumps [webdav](https://github.com/perry-mitchell/webdav-client) from 5.7.1 to 5.8.0.
- [Changelog](https://github.com/perry-mitchell/webdav-client/blob/master/CHANGELOG.md)
- [Commits](perry-mitchell/webdav-client@v5.7.1...v5.8.0)

---
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

@@ -75,7 +75,7 @@
     "vue": "^2.7.16",
     "vue-material-design-icons": "^5.3.1",
     "vue-template-compiler": "^2.7.16",
-    "webdav": "^5.7.1",
+    "webdav": "^5.8.0",
     "whatwg-fetch": "^3.6.20"
   },
   "version": "20.0.0-dev.0"