Remove deprecated pkg_resources, replace with importlib

[marmarta]

references QubesOS/qubes-issues#9195

[codecov]

Codecov Report

Attention: Patch coverage is 75.00000% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 62.61%. Comparing base (87a28b3) to head (173fd24).
Report is 3 commits behind head on main.

Files	Patch %	Lines
qubesappmenus/receive.py	33.33%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #63      +/-   ##
==========================================
+ Coverage   62.53%   62.61%   +0.07%     
==========================================
  Files           2        2              
  Lines         670      674       +4     
==========================================
+ Hits          419      422       +3     
- Misses        251      252       +1     

Flag	Coverage Δ
unittests	62.61% <75.00%> (+0.07%)	⬆️

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[marmarek]

May 17 09:46:48 sys-gui qubes-app-menu[2823]: Traceback (most recent call last):
May 17 09:46:48 sys-gui qubes-app-menu[2823]:   File "/usr/bin/qvm-sync-appmenus", line 33, in <module>
May 17 09:46:48 sys-gui qubes-app-menu[2823]:     sys.exit(load_entry_point('qubesdesktop==4.2.8', 'console_scripts', 'qvm-sync-appmenus')())
May 17 09:46:48 sys-gui qubes-app-menu[2823]:              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
May 17 09:46:48 sys-gui qubes-app-menu[2823]:   File "/usr/lib/python3.11/site-packages/qubesappmenus/receive.py", line 411, in main
May 17 09:46:48 sys-gui qubes-app-menu[2823]:     process_appmenus_templates(appmenusext, vm, new_appmenus)
May 17 09:46:48 sys-gui qubes-app-menu[2823]:   File "/usr/lib/python3.11/site-packages/qubesappmenus/receive.py", line 308, in process_appmenus_templates
May 17 09:46:48 sys-gui qubes-app-menu[2823]:     template_data = importlib.resources.files(
May 17 09:46:48 sys-gui qubes-app-menu[2823]:                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
May 17 09:46:48 sys-gui qubes-app-menu[2823]:   File "/usr/lib64/python3.11/importlib/resources/_common.py", line 22, in files
May 17 09:46:48 sys-gui qubes-app-menu[2823]:     return from_package(get_package(package))
May 17 09:46:48 sys-gui qubes-app-menu[2823]:                         ^^^^^^^^^^^^^^^^^^^^
May 17 09:46:48 sys-gui qubes-app-menu[2823]:   File "/usr/lib64/python3.11/importlib/resources/_common.py", line 55, in get_package
May 17 09:46:48 sys-gui qubes-app-menu[2823]:     raise TypeError(f'{package!r} is not a package')
May 17 09:46:48 sys-gui qubes-app-menu[2823]: TypeError: 'qubesappmenus.receive' is not a package

I'll revert this commit for now...