Report last login

Add filter to report last login information for a service to usermetadb.

The filter is active when the `enable_last_login_reporting` option is
set.

Signed-off-by: shammash <shammash@autistici.org>
2 jobs for last_login in 25 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
passed #6231
test

00:00:25

failed #6230
test

00:00:04