Enhancement: Update web to v7.0.1

Tags: web

We updated ownCloud Web to v7.0.1. Please refer to the changelog (linked) for details on the web release.

## Summary
* Bugfix [owncloud/web#9153](https://github.com/owncloud/web/pull/9153): Reduce space preloading

https://github.com/owncloud/ocis/pull/6470
https://github.com/owncloud/web/releases/tag/v7.0.1
