Compile workflow: Switch shell to cmd where pwsh is not needed

.github/workflows/compile.yml

@@ -13,7 +13,7 @@ jobs:
     name: Compile .NET solution
     defaults:
       run:
-        shell: pwsh
+        shell: cmd
     runs-on: windows-2025
     steps:
       - name: Clone Repository
@@ -32,11 +32,13 @@ jobs:
         run: msbuild Orchard.proj /m /v:minimal /t:Test
 
       - name: Test Setup with SpecFlow
+        shell: pwsh
         run: |
           $nunitConsole = (Get-ChildItem -Path 'src/packages' -Recurse -Filter 'nunit-console.exe' | Select-Object -Last 1).FullName
           & $nunitConsole 'build/Compile/Orchard.Specs.dll' /xml='build/Orchard.Specs.xml' /run=Orchard.Specs.SetupFeature.RootAndSetupFolderShowsSetupScreenAndFormValuesAreValidated
 
       - name: Run Orchard Setup with Orchard.exe
+        shell: pwsh
         run: |
           $commandFile = 'src/Orchard.Web/bin/setup-commands.txt'
           New-Item -Path $commandFile -ItemType File -Force
@@ -44,6 +46,7 @@ jobs:
           & 'src/Orchard.Web/bin/Orchard.exe' @$commandFile
 
       - name: Run Code Generation
+        shell: pwsh
         run: |
           $commandFile = 'src/Orchard.Web/bin/codegen-commands.txt'
           New-Item -Path $commandFile -ItemType File -Force
@@ -62,7 +65,7 @@ jobs:
     name: Compile Client-side Assets
     defaults:
       run:
-        shell: pwsh
+        shell: cmd
     runs-on: windows-2025
     steps:
       - name: Clone Repository
@@ -75,6 +78,7 @@ jobs:
 
       - name: Install Gulp Globally
         working-directory: ./src
+        shell: pwsh
         run: |
           # Install gulp globally to be able to run the rebuild task, using the same version as in the project.
           $gulpVersion = (Get-Content Package.json -Raw | ConvertFrom-Json).devDependencies.gulp
@@ -82,16 +86,15 @@ jobs:
 
       - name: Install NPM Packages
         working-directory: ./src
-        shell: cmd
         run: npm install --loglevel warn
 
       - name: Rebuild Client-side Assets
         working-directory: ./src
-        shell: cmd
         run: gulp rebuild
 
       - name: Check Client-side Assets
         working-directory: ./src
+        shell: pwsh
         run: |
           git add . # To make line ending changes "disappear".
           $gitStatus = (git status --porcelain)