* Don't notify non-board members of card changes
- include permissions service in notifications backends
- use permissions service to ensure @mentions are to users on team
- use permissions service to ensure subscribers are members of board
* Upgrading all the server libraries
* upgrading dependencies in the mattermost-plugin directory
* Executing go generate
* Upgrading the linux app
* Running go mod tidy everywhere
Backend support for subscribing/unsubscribing to blocks, typically cards and boards. Notifies subscribers when changes are made to cards they are subscribed to.
