Version 0.4.1
* Added the ability to disable notifications using `!su notify stop`
* Remove reply fallback text from messages before adding to the post
* Improvements to thread UX
* Added a `space.nevarro.msc3464.on_behalf_of` key to the content indicating who
the standup post is for.
* Fixed bug where the standupbot would leave because it thought it was the last
in the room.
* Internal Changes
* Migrated from sourcehut to GitLab
* Added pre-commit config
* Use `format.RenderMarkdown` from mautrix instead of manually rendering
markdown and HTML versions of all of the messages.