Log people events in SYSModLog

We need to make sure every write we make to the foundation database that is related to a user is logged in the SYSModLog table.

For example, this merge needs to be logged:

https://gitlab.eclipse.org/eclipsefdn/it/websites/drupal/eclipsefdn/-/blob/9.1.x/eclipsefdn_foundation_db/src/Helper/FoundationPeople.php#L73