UCS 5.0 upgrade syncrepl-proxy.conf


I encounter the following upon upgrading to UCS 5:

The system can not be updated to UCS 5.0 due to the following reasons:

The following UCR templates are not compatible with Python 3:
See <https://help.univention.com/t/17948> for information on how to proceed with each template.

Error: Please check "/var/log/univention/updater.log" for details.
ERROR: update failed. Please check /var/log/univention/updater.log

I checked the referenced article and searched for other forum threads, but they do not cover the syncrepl-proxy.conf template.

Should one manually replace the template with the new version from https://updates.software-univention.de/download/syncrepl/ucs5-syncrepl-proxy-setup.tar.bz2 before the upgrade or is there a different recommended procedure?