Let’s encrypt: Cannot obtain/re-obtain certificates after the upgrade to bookworm

Tested with two different new installations of freedombox. Before the upgrade, re-obtaining of existing certificate was working, after the upgrade - not.

Failed to obtain certificate for domain gemart.freedombox.rocks: (“Error obtaining certificate: Saving debug log to /var/log/letsencrypt/letsencrypt.log\nAn unexpected error occurred:\nAttributeError: can’t set attribute\nAsk for help or search for solutions at https://community.letsencrypt.org. See the logfile /var/log/letsencrypt/letsencrypt.log or re-run Certbot with -v for more details.\n”, b’‘, b’\x1b[31m ERROR\x1b[0m \x1b[94m__main__ \x1b[0m Error executing action: Error obtaining certificate: Saving debug log to /var/log/letsencrypt/letsencrypt.log\nAn unexpected error occurred:\nAttributeError: can't set attribute\nAsk for help or search for solutions at https://community.letsencrypt.org. See the logfile /var/log/letsencrypt/letsencrypt.log or re-run Certbot with -v for more details.\nTraceback (most recent call last):\n File “/usr/share/plinth/actions/actions”, line 92, in _call\n return_values = func(*arguments['args'], **arguments['kwargs'])\n ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n File “/usr/lib/python3/dist-packages/plinth/modules/letsencrypt/privileged.py”, line 171, in obtain\n raise RuntimeError('Error obtaining certificate: {error}'.format(\nRuntimeError: Error obtaining certificate: Saving debug log to /var/log/letsencrypt/letsencrypt.log\nAn unexpected error occurred:\nAttributeError: can't set attribute\nAsk for help or search for solutions at https://community.letsencrypt.org. See the logfile /var/log/letsencrypt/letsencrypt.log or re-run Certbot with -v for more details.\n\n’)