Add migations for the Fingerprint and Registration IP text fields.

Closes #3484748

To test:

• refresh the migrations composer migrate-refresh
• reset the last updated variable drush state:set drupalorg_migrate.drupalorg_migrate_users_last_record 0 --input-format=integer
• run the user migration drush mim drupalorg_migrate_users

migrations/drupalorg_migrate_users.yml

@@ -145,6 +145,8 @@ process:
           - plugin: extract
             index:
               - revision_id
+  field_fingerprint: field_fingerprint
+  field_reported_registration_ip: field_reported_registration_ip
 
 migration_dependencies:
   required: