CompatHelper: bump compat for Meshes to 0.34, (keep existing compat)

[github-actions]

This pull request changes the compat entry for the Meshes package from 0.23, 0.24, 0.25, 0.26, 0.27, 0.28, 0.29 to 0.23, 0.24, 0.25, 0.26, 0.27, 0.28, 0.29, 0.34.
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-commenter]

Codecov Report

Patch coverage has no change and project coverage change: -0.05% ⚠️

Comparison is base (0d9b13d) 98.59% compared to head (3f5267b) 98.55%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #34      +/-   ##
==========================================
- Coverage   98.59%   98.55%   -0.05%     
==========================================
  Files           1        1              
  Lines          71       69       -2     
==========================================
- Hits           70       68       -2     
  Misses          1        1              

see 1 file with indirect coverage changes

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