CompatHelper: bump compat for Turing in [weakdeps] to 0.40, (keep existing compat)

[github-actions]

This pull request changes the compat entry for the Turing package from 0.32,0.33,0.34,0.35,0.36,0.37,0.38,0.39 to 0.32,0.33,0.34,0.35,0.36,0.37,0.38,0.39, 0.40.
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 84.09%. Comparing base (65038eb) to head (6aff9b6).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master      #20   +/-   ##
=======================================
  Coverage   84.09%   84.09%           
=======================================
  Files           8        8           
  Lines         132      132           
=======================================
  Hits          111      111           
  Misses         21       21           

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