Enhancement: Add cron to sync accounts with IAM

[eachristgr]

Enhancement Description

There are few mechanisms in place to sync some details [1] (e.g. accounts, groups, roles, identities, etc.). Although, as follows from [2], CMSRucio does not sync accounts' emails and these emails are the ones that should be used within Rucio [3].

Related issue [4]

[1] https://github.com/dmwm/CMSRucio/blob/3b90237925ca2fd2c71e3daae093676502ea7b90/docker/rucio_client/scripts/k8s_sync_users_links.sh
[2] https://its.cern.ch/jira/browse/CMSTRANSF-869
[3] rucio/rucio#7220
[4] https://its.cern.ch/jira/browse/CMSTRANSF-1048

Use Case

In order to prevent future inconsistencies and user issues, a mechanism to sync accounts' emails should be implemented.

Possible Solution

No response

Related Issues

No response