CompatHelper: bump compat for TulipaEnergyModel to 0.18, (keep existing compat)

[github-actions]

This pull request changes the compat entry for the TulipaEnergyModel package from 0.17 to 0.17, 0.18.
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 83.52%. Comparing base (f28ce6a) to head (5913b74).

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #12   +/-   ##
=======================================
  Coverage   83.52%   83.52%           
=======================================
  Files           5        5           
  Lines         340      340           
=======================================
  Hits          284      284           
  Misses         56       56           

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