Migrate code linting to Ruff, apply fixes

[koenvervloesem]

No description provided.

[codecov]

Codecov Report

Merging #15 (3f8beed) into main (2716505) will decrease coverage by 1.33%.
The diff coverage is 61.90%.

❗ Current head 3f8beed differs from pull request most recent head a14602a. Consider uploading reports for the commit a14602a to get more accurate results

@@            Coverage Diff             @@
##             main      #15      +/-   ##
==========================================
- Coverage   64.80%   63.48%   -1.33%     
==========================================
  Files          10       10              
  Lines         412      419       +7     
  Branches       59       69      +10     
==========================================
- Hits          267      266       -1     
- Misses        145      153       +8     

Impacted Files	Coverage Δ
src/bluetooth_clocks/__main__.py	0.00% <ø> (ø)
src/bluetooth_clocks/scanners.py	0.00% <0.00%> (ø)
...c/bluetooth_clocks/devices/current_time_service.py	95.55% <60.00%> (-4.45%)	⬇️
src/bluetooth_clocks/devices/pvvx.py	92.85% <60.00%> (-7.15%)	⬇️
src/bluetooth_clocks/__init__.py	89.62% <82.35%> (-2.69%)	⬇️
src/bluetooth_clocks/devices/qingping.py	100.00% <100.00%> (ø)
src/bluetooth_clocks/devices/thermopro.py	100.00% <100.00%> (ø)
src/bluetooth_clocks/devices/xiaomi.py	100.00% <100.00%> (ø)
src/bluetooth_clocks/exceptions.py	100.00% <100.00%> (ø)

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