Getting runtimes for meeting

[Olender]

This branch was initially created for testing before the Total technical meeting. However, several issues were identified and have now been addressed in this update:

• Ensured source=None is set before calling _map_sources_and_receivers().
• Removed the sudo section from the new workflow.
• Added a 1% threshold for Codecov test coverage changes.

[codecov]

Codecov Report

Attention: Patch coverage is 44.44444% with 5 lines in your changes missing coverage. Please review.

Project coverage is 84.89%. Comparing base (6d958e6) to head (f5ceafb).

Files with missing lines	Patch %	Lines
spyro/meshing/meshing_functions.py	37.50%	5 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #147      +/-   ##
==========================================
- Coverage   84.97%   84.89%   -0.09%     
==========================================
  Files          60       60              
  Lines        3953     3958       +5     
==========================================
+ Hits         3359     3360       +1     
- Misses        594      598       +4     

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