CompatHelper: bump compat for Meshes in [weakdeps] to 0.55, (keep existing compat)

[github-actions]

This pull request changes the compat entry for the Meshes package from 0.42 - 0.54 to 0.42 - 0.54, 0.55.
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 72.50%. Comparing base (e5d3bc8) to head (85a0e2b).

❗ There is a different number of reports uploaded between BASE (e5d3bc8) and HEAD (85a0e2b). Click for more details.

HEAD has 2 uploads less than BASE

Flag	BASE (e5d3bc8)	HEAD (85a0e2b)
	4	2

Additional details and impacted files

@@             Coverage Diff             @@
##             main     #134       +/-   ##
===========================================
- Coverage   84.24%   72.50%   -11.75%     
===========================================
  Files          25       25               
  Lines        3955     3950        -5     
===========================================
- Hits         3332     2864      -468     
- Misses        623     1086      +463     

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