Generalize build_msi GitHub action (GH-94201)

.github/workflows/build_msi.yml

@@ -5,21 +5,13 @@ on:
   push:
     branches:
     - 'main'
-    - '3.11'
-    - '3.10'
-    - '3.9'
-    - '3.8'
-    - '3.7'
+    - '3.*'
     paths:
     - 'Tools/msi/**'
   pull_request:
     branches:
     - 'main'
-    - '3.11'
-    - '3.10'
-    - '3.9'
-    - '3.8'
-    - '3.7'
+    - '3.*'
     paths:
     - 'Tools/msi/**'
 
@@ -27,26 +19,13 @@ permissions:
   contents: read
 
 jobs:
-  build_win32:
-    name: 'Windows (x86) Installer'
+  build:
+    name: Windows Installer
     runs-on: windows-latest
+    strategy:
+      matrix:
+        type: [x86, x64, arm64]
     steps:
     - uses: actions/checkout@v3
     - name: Build CPython installer
-      run: .\Tools\msi\build.bat -x86
-
-  build_win_amd64:
-    name: 'Windows (x64) Installer'
-    runs-on: windows-latest
-    steps:
-    - uses: actions/checkout@v3
-    - name: Build CPython installer
-      run: .\Tools\msi\build.bat -x64
-
-  build_win_arm64:
-    name: 'Windows (ARM64) Installer'
-    runs-on: windows-latest
-    steps:
-    - uses: actions/checkout@v3
-    - name: Build CPython installer
-      run: .\Tools\msi\build.bat -arm64
+      run: .\Tools\msi\build.bat -${{ matrix.type }}