EOxServer installation error after updating to 1.2.2 and Django 3.x

[kalxas]

Setting up python3-eoxserver (1.2.2-0~jammy2) ...
CREATE EXTENSION
The user `user' is already a member of `users'.
Creating EOxServer demonstration instance
./install_eoxserver.sh: 80: eoxserver-admin.py: not found
./install_eoxserver.sh: 82: cd: can't cd to eoxserver_demonstration
sed: can't read eoxserver_demonstration/settings.py: No such file or directory
sed: can't read eoxserver_demonstration/settings.py: No such file or directory
sed: can't read eoxserver_demonstration/settings.py: No such file or directory
sed: can't read eoxserver_demonstration/settings.py: No such file or directory
sed: can't read eoxserver_demonstration/settings.py: No such file or directory
sed: can't read eoxserver_demonstration/settings.py: No such file or directory
sed: can't read eoxserver_demonstration/settings.py: No such file or directory
sed: can't read eoxserver_demonstration/settings.py: No such file or directory
sed: can't read eoxserver_demonstration/settings.py: No such file or directory
./install_eoxserver.sh: 105: cannot create eoxserver_demonstration/settings.py: Directory nonexistent
python3: can't open file '/usr/local/share/eoxserver/manage.py': [Errno 2] No such file or directory
--2023-03-17 09:34:03--  https://github.com/EOxServer/eoxserver/archive/release-1.2.2.tar.gz

From build logs: ​http://download.osgeo.org/livedvd/nightly/osgeolive-nightly-build36-amd64-9a49a60-master-log.tar.gz