refs https://github.com/TryGhost/Team/issues/1257
This gets us closer to not having to reload the MembersAPI when config
is changed which will help stop bugs arising from multiple instances of
the MembersAPI being created.
no-issue
Without a return after ending the response, the code will continue to
attempt to send emails and then send another response which results in
an uncaught error.
refs https://github.com/TryGhost/Ghost/security/advisories/GHSA-65p7-pjj8-ggmr
The email address change flow was built on top of the unauthenticated
signin/signup flow. This meant that ownership of the email being changed
wasn't verified and allowed a malicious actore to change the email
address of arbitrary accounts to an email address which they controlled.
We remove the ability to change email addresses from the signin/signup
flow and instead create a dedicated, authenticated flow for changing
email address.
