Move Windows runner back to Windows 2019 (since Windows 2022 didn't do much for us on the Python 3.12 front)

and try an explicit setup of 3.12

Author: Bret McGuire

.github/workflows/build_wheels_win.yml

@@ -4,8 +4,8 @@ on: [workflow_dispatch]
 
 jobs:
   build_wheels_win:
-    name: Build wheels on windows-2022
-    runs-on: windows-2022
+    name: Build wheels on windows-2019
+    runs-on: windows-2019
     env:
       CIBW_BUILD: cp38-* cp39-* cp310-* cp311-* cp312-*
       CIBW_SKIP: "*musllinux*"
@@ -15,10 +15,11 @@ jobs:
       - uses: actions/checkout@v3
         with:
           submodules: true
-
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.12'
       - name: Build wheels
         run: cd python-driver && pipx run cibuildwheel==2.12.1
-
       - uses: actions/upload-artifact@v3
         with:
           path: python-driver/wheelhouse/*.whl