ci: update pre-commit, use ruff and fix mypy

[tlambert03]

closes #260

closes #272

[tlambert03]

since pre-commit was failing on #272, this fixes it, and also does what #272 was doing

[Czaki]

One suggestion.
It looks like I do not have permissions in this repository.

[tlambert03]

i'm about to head out. you should have merge permissions now

[codecov]

Codecov Report

Merging #273 (cdf23f8) into main (eb535a4) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##              main      #273   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           37        37           
  Lines         2814      2813    -1     
=========================================
- Hits          2814      2813    -1     

Impacted Files	Coverage Δ
npe2/_command_registry.py	100.00% <ø> (ø)
npe2/_plugin_manager.py	100.00% <ø> (ø)
npe2/io_utils.py	100.00% <ø> (ø)
npe2/_inspection/_compile.py	100.00% <100.00%> (ø)
npe2/_inspection/_fetch.py	100.00% <100.00%> (ø)
npe2/_inspection/_from_npe1.py	100.00% <100.00%> (ø)
npe2/_inspection/_setuputils.py	100.00% <100.00%> (ø)
npe2/_inspection/_visitors.py	100.00% <100.00%> (ø)
npe2/cli.py	100.00% <100.00%> (ø)
npe2/implements.py	100.00% <100.00%> (ø)
... and 13 more

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[tlambert03]

merging this to try to fix napari/napari#5592 (comment)