Update build.yaml

Author: AdamR05

.github/workflows/build.yaml

@@ -122,15 +122,22 @@ jobs:
       if: matrix.config.name == 'windows'
 
     - name: Setup Python
-      if: matrix.config.name != 'windows'
       uses: actions/setup-python@v6
       with:
         python-version: '3.13'
 
-    - name: Setup Python (Windows)
+    - name: launcher wrapper
       if: matrix.config.name == 'windows'
       shell: powershell
-      run: choco install python313 -y
+      run: |
+        @'
+        @echo off
+        setlocal
+        set "args=%*"
+        set "args=%args:-3=%"
+        python %args%
+        '@ | Out-File -FilePath "$env:TEMP\py.cmd" -Encoding ASCII
+        echo "$env:TEMP" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
 
     - name: Update submodule
       run: |