[3.13] gh-128446: Run Windows CI tests on each commit (GH-131702) (#131705)

gh-128446: Run Windows CI tests on each commit (GH-131702)
(cherry picked from commit 7d9442f)

Co-authored-by: Adam Turner <[email protected]>

Author: miss-islington

Tools/build/compute-changes.py

@@ -65,7 +65,7 @@ def compute_changes() -> None:
         outputs = process_changed_files(files)
     else:
         # Otherwise, just run the tests
-        outputs = Outputs(run_tests=True)
+        outputs = Outputs(run_tests=True, run_windows_tests=True)
     outputs = process_target_branch(outputs, target_branch)
 
     if outputs.run_tests: