Revert a few things

Author: diegorusso

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

@@ -31,6 +31,6 @@ jobs:
       with:
         persist-credentials: false
     - name: Build CPython installer
-      run: ./Tools/msi/build.bat --doc -"${env:ARCH}"
-      shell: powershell
+      run: ./Tools/msi/build.bat --doc -"${ARCH}"
+      shell: bash
 

.github/workflows/reusable-windows.yml

@@ -37,14 +37,14 @@ jobs:
       if: inputs.arch != 'Win32'
       run: echo "::add-matcher::.github/problem-matchers/msvc.json"
     - name: Print PATH
-      run: echo ${env:PATH}
+      run: echo "${PATH}"
     - name: Build CPython
       run: >-
         .\\PCbuild\\build.bat
         -e -d -v
-        -p "${env:ARCH}"
+        -p "${ARCH}"
         ${{ fromJSON(inputs.free-threading) && '--disable-gil' || '' }}
-      shell: powershell
+      shell: bash
     - name: Display build info
       run: .\\python.bat -m test.pythoninfo
     - name: Tests
@@ -53,4 +53,4 @@ jobs:
         -p "${env:ARCH}"
         -d -q --fast-ci
         ${{ fromJSON(inputs.free-threading) && '--disable-gil' || '' }}
-      shell: powershell
+      shell: bash