✨ MIG inverter optimization and propagation

[marcelwa]

Description

This PR introduces two algorithms from mockturlte to fiction's CLI: MIG inverter optimization and MIG inverter propagation. They are targeted at reducing the number of inverters in a given MIG.

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.

[github-actions]

clang-tidy made some suggestions

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (926c895) 96.03% compared to head (c521127) 96.04%.
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #248   +/-   ##
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  Coverage   96.03%   96.04%           
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  Files         102      102           
  Lines       10073    10073           
=======================================
+ Hits         9674     9675    +1     
+ Misses        399      398    -1     

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