dependecy upgrade aftermath

[k-dominik]

We're simultaneously switched, updated some dependencies (qtpy, pyqt5), this comes with some friction (usually tighter type requirements)

• QSlider, QSpinBox need ints when setting ranges.

[codecov]

Codecov Report

❌ Patch coverage is 92.85714% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 36.35%. Comparing base (e6d37a5) to head (9642f22).
⚠️ Report is 37 commits behind head on main.

Files with missing lines	Patch %	Lines
volumina/widgets/layerDialog.py	66.66%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #334      +/-   ##
==========================================
+ Coverage   36.33%   36.35%   +0.02%     
==========================================
  Files         108      108              
  Lines       11434    11439       +5     
==========================================
+ Hits         4154     4159       +5     
  Misses       7280     7280              

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.