Although Jason readme says Phoenix 1.4+ already does it by default, [it actually does it only for new projects](https://github.com/phoenixframework/phoenix/blob/3bfb9f6e900c9a2e31cb95736e2cb5bdad329b61/lib/phoenix.ex#L58-L59)

Anyone who is interested in dropping blocks can write their own MRF
policy at this point.  This setting predated the MRF framework.

Disabling the side effect (unsubscription) is still a config option
per policy.

This is a worker that runs every minute and deletes expired activities.
It's based heavily on the scheduled activities worker.

Alexander Strizhakov authored Jul 16, 2019 and kaniini committed Jul 16, 2019

added rate limit to password reset

configure rate limit in runtime

Closes #1034