Snap store message labels itself as “Ubuntu Store”

1. On build.snapcraft.io, set up a GitHub repo that will build and release successfully.
2. Once it has released, check your e-mail for the confirmation message.

What you see:
* The From: is “Ubuntu Store <email address hidden>”.
* The message begins “Version … upload for … to the Ubuntu Store has been approved.”
* The message ends “The Ubuntu Store team”.

What you should see:
* The From: is something like “Snap Store <email address hidden>”.
* The message begins “Version … upload for … to the Snap Store has been approved.”
* The message ends something like “Snapcraft”.