release: Enable Python 3.13 build for Windows (#990)

Enable the Python 3.13 build, such that there is a wheel built for the
next release on PyPI
This works now (as `numpy` wheels have been uploaded since April 2024).
Tested here: https://github.com/guenp/Stim/actions/runs/17592185854

Author: Guen Prawiroatmodjo

.github/workflows/ci.yml

@@ -126,9 +126,7 @@ jobs:
           {os: windows-2025, dist: cp310-win_amd64},
           {os: windows-2025, dist: cp311-win_amd64},
           {os: windows-2025, dist: cp312-win_amd64},
-
-          # (April 2024) disabled because numpy fails to build. Unsure why it's not using a prebuilt wheel.
-          # {os: windows-2025, dist: cp313-win_amd64},
+          {os: windows-2025, dist: cp313-win_amd64},
 
           {os: windows-2025, dist: cp36-win32},
           {os: windows-2025, dist: cp37-win32},