[ci] Re-enable TH2M on Windows.

Lars Bilkerequested to merge
bilke/ogs:win-enable-th2m into master

I did a few manual compiles and it worked ...

  1. Feature description was added to the changelog
  2. Tests covering your feature were added?
  3. Any new feature or behavior change was documented?
Edited by Dmitri Naumov

Merge request reports