Change shell to powershell

Author: diegorusso

.github/workflows/reusable-windows-msi.yml

@@ -25,11 +25,12 @@ jobs:
     timeout-minutes: 60
     env:
       IncludeFreethreaded: true
+      ARCH: ${{ inputs.arch }}
     steps:
     - uses: actions/checkout@v4
       with:
         persist-credentials: false
     - name: Build CPython installer
-      shell: pwsh
-      run: ./Tools/msi/build.bat --doc -${{ inputs.arch }}
+      shell: powershell
+      run: ./Tools/msi/build.bat --doc -${env:ARCH}
 

.github/workflows/reusable-windows.yml

@@ -27,6 +27,8 @@ jobs:
     name: Build and test (${{ inputs.arch }})
     runs-on: ${{ inputs.os }}
     timeout-minutes: 60
+    env:
+      ARCH: ${{ inputs.arch }}
     steps:
     - uses: actions/checkout@v4
       with:
@@ -38,15 +40,15 @@ jobs:
       run: >-
         .\\PCbuild\\build.bat
         -e -d -v
-        -p ${{ inputs.arch }}
+        -p ${env:ARCH}
         ${{ fromJSON(inputs.free-threading) && '--disable-gil' || '' }}
-      shell: pwsh
+      shell: powershell
     - name: Display build info
       run: .\\python.bat -m test.pythoninfo
     - name: Tests
       run: >-
         .\\PCbuild\\rt.bat
-        -p ${{ inputs.arch }}
+        -p ${env:ARCH}
         -d -q --fast-ci
         ${{ fromJSON(inputs.free-threading) && '--disable-gil' || '' }}
-      shell: pwsh
+      shell: powershell