Changelog for reva 2.7.1 (2022-07-15)

The following sections list the changes in reva 2.7.1 relevant to
reva users. The changes are ordered by importance.

Summary

Bugfix #3080: Make dataproviders return more headers

Instead of ocdav doing an additional Stat request we now rely on the dataprovider to return the
necessary metadata information as headers.

https://github.com/owncloud/reva/issues/3080
Enhancement #4072: Add user filter

This PR adds the ability to filter spaces by user-id

owncloud/ocis#4072