Description:

Package is missing a dependency on `six`

Additional info:
* package version(s) 4.0.8-1
* config and/or log files etc. see below
* link to upstream bug report, if any

Steps to reproduce:

1. pacman -S yubikey-manager
2. ykman info

```
» ykman info
Traceback (most recent call last):
File "/usr/bin/ykman", line 33, in <module>
sys.exit(load_entry_point('yubikey-manager==4.0.8', 'console_scripts', 'ykman')())
File "/usr/bin/ykman", line 25, in importlib_load_entry_point
return next(matches).load()
File "/usr/lib/python3.10/importlib/metadata/__init__.py", line 171, in load
module = import_module(match.group('module'))
File "/usr/lib/python3.10/importlib/__init__.py", line 126, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 1050, in _gcd_import
File "<frozen importlib._bootstrap>", line 1027, in _find_and_load
File "<frozen importlib._bootstrap>", line 992, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed
File "<frozen importlib._bootstrap>", line 1050, in _gcd_import
File "<frozen importlib._bootstrap>", line 1027, in _find_and_load
File "<frozen importlib._bootstrap>", line 992, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed
File "<frozen importlib._bootstrap>", line 1050, in _gcd_import
File "<frozen importlib._bootstrap>", line 1027, in _find_and_load
File "<frozen importlib._bootstrap>", line 1006, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 688, in _load_unlocked
File "<frozen importlib._bootstrap_external>", line 883, in exec_module
File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed
File "/usr/lib/python3.10/site-packages/ykman/__init__.py", line 28, in <module>
from .base import YUBIKEY, PID, YkmanDevice # noqa
File "/usr/lib/python3.10/site-packages/ykman/base.py", line 29, in <module>
from yubikit.management import USB_INTERFACE
File "/usr/lib/python3.10/site-packages/yubikit/management.py", line 47, in <module>
from .core.fido import FidoConnection
File "/usr/lib/python3.10/site-packages/yubikit/core/fido.py", line 29, in <module>
from fido2.ctap import CtapDevice
File "/usr/lib/python3.10/site-packages/fido2/__init__.py", line 29, in <module>
import six
ModuleNotFoundError: No module named 'six'
```