Fixing issues with v0.9

[mdtanker]

No description provided.

[github-actions]

🔔 Thank you for raising your pull request.
Version 0.12.0 is already released. No increase in version will be made when this PR is merged.

[github-actions]

🔔 Thank you for raising your pull request.
Version 0.12.0 is already released. No increase in version will be made when this PR is merged.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 47.36842% with 10 lines in your changes missing coverage. Please review.

Project coverage is 28.16%. Comparing base (03770e2) to head (55552d3).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
src/invert4geom/uncertainty.py	50.00%	9 Missing ⚠️
src/invert4geom/optimization.py	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #106   +/-   ##
=======================================
  Coverage   28.15%   28.16%           
=======================================
  Files           9        9           
  Lines        3534     3540    +6     
=======================================
+ Hits          995      997    +2     
- Misses       2539     2543    +4     

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[github-actions]

🔔 Thank you for raising your pull request.
📦 If merged, this PR will release version 0.13.0-rc.1.