Enhancement: Update reva to v1.4.1-0.20201127111856-e6a6212c1b7b

Tags: reva

* Fix capabilities response for multiple client versions #1331 [cs3org/reva#1331](https://github.com/cs3org/reva/pull/1331)
* Fix home storage redirect for remote.php/dav/files [cs3org/reva#1342](https://github.com/cs3org/reva/pull/1342)

https://github.com/owncloud/ocis/pull/971
https://github.com/cs3org/reva/pull/1331
https://github.com/cs3org/reva/pull/1342
