CI: Switch to Python 3.11

Nuitka does not support 3.12 at the time of this commit

Author: Snowy

.github/workflows/build.yaml

@@ -18,18 +18,18 @@ jobs:
       - name: Build Panda
         shell: powershell
         run: |
-          .\thirdparty\win-python3.12-x64\python.exe makepanda\makepanda.py --installer --wheel --optimize 3 --everything --msvc-version=14.3 --windows-sdk=10 --threads=4
+          .\thirdparty\win-python3.11-x64\python.exe makepanda\makepanda.py --installer --wheel --optimize 3 --everything --msvc-version=14.3 --windows-sdk=10 --threads=4
 
       - name: "Upload Installer"
         uses: actions/upload-artifact@v4
         with:
           name: "panda3d-windows-installer"
-          path: "Panda3D-1.11.0-py3.12-x64.exe"
+          path: "Panda3D-1.11.0-py3.11-x64.exe"
           if-no-files-found: "error"
 
       - name: "Upload Wheel"
         uses: actions/upload-artifact@v4
         with:
           name: "panda3d-windows-wheel"
-          path: "panda3d-1.11.0-cp312-cp312-win_amd64.whl"
+          path: "panda3d-1.11.0-cp311-cp311-win_amd64.whl"
           if-no-files-found: "error"