refactor: lots of typing updates, add pyright tests on CI

[tlambert03]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 68.50394% with 40 lines in your changes missing coverage. Please review.

Project coverage is 82.88%. Comparing base (87a10a9) to head (95c5adb).

Files with missing lines	Patch %	Lines
src/ndv/views/_pygfx/_array_canvas.py	31.81%	15 Missing ⚠️
src/ndv/views/_wx/_array_view.py	78.26%	5 Missing ⚠️
src/ndv/views/_wx/range_slider.py	73.68%	5 Missing ⚠️
src/ndv/views/bases/_app.py	42.85%	4 Missing ⚠️
src/ndv/models/_lut_model.py	0.00%	2 Missing ⚠️
src/ndv/views/_pygfx/_util.py	50.00%	2 Missing ⚠️
src/ndv/views/_vispy/_array_canvas.py	85.71%	2 Missing ⚠️
src/ndv/views/_vispy/_histogram.py	83.33%	2 Missing ⚠️
src/ndv/views/_pygfx/_histogram.py	0.00%	1 Missing ⚠️
src/ndv/views/_qt/_array_view.py	93.33%	1 Missing ⚠️
... and 1 more

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #185      +/-   ##
==========================================
- Coverage   85.11%   82.88%   -2.23%     
==========================================
  Files          45       45              
  Lines        4783     4797      +14     
==========================================
- Hits         4071     3976      -95     
- Misses        712      821     +109     

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