Merge starbase

[tigarmo]

• The first commit has the merge. No surprises there I think
• Second commit has the output of tox run -e format-ruff + disabling the mandatory fixture()
• Third commit has manual fixes that ruff couldn't fix by itself.

[codecov[bot]]

Codecov Report

Merging #95 (a0666e1) into main (f6cddd4) will increase coverage by 0.51%. The diff coverage is 80.00%.

@@            Coverage Diff             @@
##             main      #95      +/-   ##
==========================================
+ Coverage   90.10%   90.61%   +0.51%     
==========================================
  Files          13       13              
  Lines         687      682       -5     
  Branches      140      138       -2     
==========================================
- Hits          619      618       -1     
+ Misses         50       48       -2     
+ Partials       18       16       -2     

Impacted Files	Coverage Δ
craft_archives/utils.py	37.77% <0.00%> (ø)
craft_archives/repo/apt_key_manager.py	95.83% <75.00%> (+1.31%)	:arrow_up:
craft_archives/repo/apt_ppa.py	91.30% <100.00%> (ø)
craft_archives/repo/apt_sources_manager.py	95.87% <100.00%> (+1.93%)	:arrow_up:
craft_archives/repo/apt_uca.py	100.00% <100.00%> (ø)
craft_archives/repo/package_repository.py	98.75% <100.00%> (-0.01%)	:arrow_down: