feat: use new pymmcore-widgets useq-widget

[fdrgsp]

Use the new core-connected pymmcore-widgets useq-widgets.

[codecov]

Codecov Report

Attention: 5 lines in your changes are missing coverage. Please review.

Comparison is base (0e0b7a5) 77.86% compared to head (faa496c) 77.76%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #292      +/-   ##
==========================================
- Coverage   77.86%   77.76%   -0.11%     
==========================================
  Files          15       14       -1     
  Lines         741      661      -80     
==========================================
- Hits          577      514      -63     
+ Misses        164      147      -17     

Files	Coverage Δ
...rc/napari_micromanager/_gui_objects/_mda_widget.py	100.00% <100.00%> (+22.85%)	⬆️
src/napari_micromanager/_mda_meta.py	100.00% <100.00%> (ø)
src/napari_micromanager/_util.py	66.66% <ø> (-7.41%)	⬇️
src/napari_micromanager/_mda_handler.py	91.15% <28.57%> (-2.60%)	⬇️

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[tlambert03]

LGTM!