Adopt ruff and address lint

[blink1073]

cf jupyter-server/jupyter_server#1114

[codecov]

Codecov Report

Base: 82.21% // Head: 82.21% // No change to project coverage 👍

Coverage data is based on head (0dbc78d) compared to base (fdb3352).
Patch coverage: 80.00% of modified lines in pull request are covered.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #471   +/-   ##
=======================================
  Coverage   82.21%   82.21%           
=======================================
  Files          20       20           
  Lines        2817     2817           
  Branches      515      515           
=======================================
  Hits         2316     2316           
  Misses        369      369           
  Partials      132      132           

Impacted Files	Coverage Δ
jupyter_releaser/tests/test_cli.py	98.87% <ø> (ø)
jupyter_releaser/util.py	74.44% <66.66%> (ø)
jupyter_releaser/lib.py	80.62% <100.00%> (ø)
jupyter_releaser/tests/test_functions.py	99.18% <100.00%> (ø)

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

☔ View full report at Codecov.
📢 Do you have feedback about the report comment? Let us know in this issue.