Cozy refuses to start, either when launched from the icon or from the terminal.



Reproducible: Always

Steps to Reproduce:
1. Run the command "/usr/bin/com.github.geigi.cozy" from the terminal prompt

Actual Results:  
['/usr/bin/com.github.geigi.cozy']
11:51:03 [MainThread  ] [applicatio] [INFO ]  ('fedora', '38', 'Workstation Edition')
11:51:03 [MainThread  ] [applicatio] [INFO ]  Starting up cozy 1.2.1
11:51:03 [MainThread  ] [db        ] [INFO ]  SQLite version: 3.40.1
11:51:03 [Thread-1 (ru] [peewee.sql] [INFO ]  writer received shutdown request, exiting.
11:51:04 [MainThread  ] [applicatio] [INFO ]  libhandy version: 1
handle exception
Traceback (most recent call last):
  File "/usr/lib/python3.11/site-packages/cozy/application.py", line 99, in do_activate
    self.app_controller = AppController(self, main_window_builder, self.ui)
                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/site-packages/cozy/architecture/singleton.py", line 5, in __call__
    cls._instances[cls] = super(Singleton, cls).__call__(*args, **kwargs)
                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/site-packages/cozy/app_controller.py", line 52, in __init__
    self.whats_new_window: WhatsNewWindow = WhatsNewWindow()
                                            ^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/site-packages/cozy/ui/widgets/whats_new_window.py", line 36, in __init__
    self._fill_window()
  File "/usr/lib/python3.11/site-packages/cozy/ui/widgets/whats_new_window.py", line 58, in _fill_window
    if type(last_launched_version) is version.LegacyVersion:
                                      ^^^^^^^^^^^^^^^^^^^^^
AttributeError: module 'packaging.version' has no attribute 'LegacyVersion'


Expected Results:  
Cozy should start, allowing me to listen to my audiobooks