CompatHelper: bump compat for Meshes to 0.49 for package test, (keep existing compat)

[github-actions]

This pull request changes the compat entry for the Meshes package from 0.46, 0.47, 0.48 to 0.46, 0.47, 0.48, 0.49 for package test.
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 98.59%. Comparing base (2f22f7b) to head (b204a5e).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #79   +/-   ##
=======================================
  Coverage   98.59%   98.59%           
=======================================
  Files          40       40           
  Lines        1137     1137           
=======================================
  Hits         1121     1121           
  Misses         16       16           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.