[3.10] gh-138744: GitHub Actions: pin to `windows-2022` (GH-138743) (GH-138757)

(cherry picked from commit 6e78a539bfb406238ec251ba01b7a1819e5c303e)
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 7b415b3..084a285 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -143,7 +143,7 @@
 
   build_win32:
     name: 'Windows (x86)'
-    runs-on: windows-latest
+    runs-on: windows-2022
     needs: check_source
     if: needs.check_source.outputs.run_tests == 'true'
     env:
@@ -159,7 +159,7 @@
 
   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'
     env:
diff --git a/.github/workflows/build_msi.yml b/.github/workflows/build_msi.yml
index c9993b7..de099a5 100644
--- a/.github/workflows/build_msi.yml
+++ b/.github/workflows/build_msi.yml
@@ -32,7 +32,7 @@
 jobs:
   build_win32:
     name: 'Windows (x86) Installer'
-    runs-on: windows-latest
+    runs-on: windows-2022
     steps:
     - uses: actions/checkout@v4
     - name: Build CPython installer
@@ -40,7 +40,7 @@
 
   build_win_amd64:
     name: 'Windows (x64) Installer'
-    runs-on: windows-latest
+    runs-on: windows-2022
     steps:
     - uses: actions/checkout@v4
     - name: Build CPython installer