Mattermost OAuth settings should use APIv4
Soon, APIv3 will be removed, and its deprecated now. We should move the user URL to APIv4, this should be a simple search and replace as it seems this endpoint was hardly touched by the move from v3 to v4.
Soon, APIv3 will be removed, and its deprecated now. We should move the user URL to APIv4, this should be a simple search and replace as it seems this endpoint was hardly touched by the move from v3 to v4.