bug: ship cmath.irdl file in pypi

[superlopuh]

For some reason I couldn't test this locally, when I install into a different folder with a relative path, the old cmath.py file is also included for some spooky reason...

[superlopuh]

~/Developer/_superlopuh/Python/temp ❯ pip install git+https://github.com/xdslproject/xdsl.git@279b55e0e351f0a7c4f802388376b7e37be37b1d
~/Developer/_superlopuh/Python/temp ❯ find . -name "*cmath*"                                            6s Py temp 14:41:27
./venv/lib/python3.12/site-packages/xdsl/dialects/cmath.irdl

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.90%. Comparing base (ed144cf) to head (279b55e).
Report is 7 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2905   +/-   ##
=======================================
  Coverage   89.90%   89.90%           
=======================================
  Files         403      403           
  Lines       50422    50422           
  Branches     7787     7787           
=======================================
+ Hits        45331    45333    +2     
+ Misses       3863     3862    -1     
+ Partials     1228     1227    -1     

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