Update to PyQt6 and fix ci

[M-Chan]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 87.37475% with 189 lines in your changes missing coverage. Please review.
✅ Project coverage is 88.49%. Comparing base (1d405a7) to head (62dd1d7).

Files with missing lines	Patch %	Lines
src/dls_pmac_control/__main__.py	55.95%	85 Missing ⚠️
src/dls_pmac_control/axissettings.py	81.63%	36 Missing ⚠️
src/dls_pmac_control/gather.py	83.19%	20 Missing ⚠️
src/dls_pmac_control/comms_thread.py	68.88%	14 Missing ⚠️
src/dls_pmac_control/ppmacgather.py	87.20%	11 Missing ⚠️
src/dls_pmac_control/watches.py	82.25%	11 Missing ⚠️
src/dls_pmac_control/gatherchannel.py	85.71%	7 Missing ⚠️
src/dls_pmac_control/energise.py	90.47%	4 Missing ⚠️
src/dls_pmac_control/status.py	96.87%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##           new-main      #34      +/-   ##
============================================
+ Coverage     88.47%   88.49%   +0.02%     
============================================
  Files            24       24              
  Lines          4990     4990              
============================================
+ Hits           4415     4416       +1     
+ Misses          575      574       -1     

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[JamesOHeaDLS]

Thanks TingTing. Well done for addressing so many of those linting issues. There are a few needed in main.py, I'm not sure why the tools don't pick them up.

[JamesOHeaDLS]

Thanks TingTing, looks good. Ready to merge as a squash merge