CompatHelper: bump compat for Meshes in [weakdeps] to 0.54, (keep existing compat)

[github-actions]

This pull request changes the compat entry for the Meshes package from 0.42 - 0.53 to 0.42 - 0.53, 0.54.
This keeps the compat entries for earlier versions.

Note: I have not tested your package with this new compat entry.
It is your responsibility to make sure that your package tests pass before you merge this pull request.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 69.34%. Comparing base (e3b8f1f) to head (4051b9f).

Additional details and impacted files

@@             Coverage Diff             @@
##             main     #127       +/-   ##
===========================================
- Coverage   83.76%   69.34%   -14.43%     
===========================================
  Files          25       25               
  Lines        3339     3337        -2     
===========================================
- Hits         2797     2314      -483     
- Misses        542     1023      +481     

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