[3.9] gh-138744: GitHub Actions: pin to windows-2022 (GH-138743) (GH-138758)

(cherry picked from commit 6e78a53)

Author: hugovk

.github/workflows/build.yml

@@ -131,7 +131,7 @@ jobs:
 
   build_win32:
     name: 'Windows (x86)'
-    runs-on: windows-latest
+    runs-on: windows-2022
     needs: check_source
     if: needs.check_source.outputs.run_tests == 'true'
     steps:
@@ -145,7 +145,7 @@ jobs:
 
   build_win_amd64:
     name: 'Windows (x64)'
-    runs-on: windows-latest
+    runs-on: windows-2022
     needs: check_source
     if: needs.check_source.outputs.run_tests == 'true'
     steps:

.github/workflows/build_msi.yml

@@ -23,15 +23,15 @@ on:
 jobs:
   build_win32:
     name: 'Windows (x86) Installer'
-    runs-on: windows-latest
+    runs-on: windows-2022
     steps:
     - uses: actions/checkout@v4
     - name: Build CPython installer
       run: .\Tools\msi\build.bat -x86
 
   build_win_amd64:
     name: 'Windows (x64) Installer'
-    runs-on: windows-latest
+    runs-on: windows-2022
     steps:
     - uses: actions/checkout@v4
     - name: Build CPython installer