🩹 fix coverage configuration to properly exclude the literals.py file

[burgholzer]

Description

This pull request fixes the coverage configuration to properly exclude the literals.py file from coverage reports. This ensures accurate reporting by excluding files that are not relevant to coverage metrics.

Checklist:

• The pull request only contains commits that are related to it.
• I have added appropriate tests and documentation.
• I have made sure that all CI jobs on GitHub pass.
• The pull request introduces no new warnings and follows the project's style guidelines

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.8%. Comparing base (9da0e91) to head (dba0f0a).
Report is 5 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##            main    #552     +/-   ##
=======================================
+ Coverage   95.5%   95.8%   +0.2%     
=======================================
  Files         40      39      -1     
  Lines       1839    1834      -5     
  Branches     223     223             
=======================================
  Hits        1757    1757             
+ Misses        82      77      -5     

Flag	Coverage Δ		*Carryforward flag
cpp	96.0% <ø> (ø)		Carriedforward from 9da0e91
python	94.9% <ø> (+1.1%)	⬆️

*This pull request uses carry forward flags. Click here to find out more.

see 1 file with indirect coverage changes