Add comments to clarify the installation process in PowerShell scripts

Author: MariusStorhaug

action.yml

@@ -27,6 +27,7 @@ runs:
         REQUESTED_VERSION: ${{ inputs.Version }}
         GITHUB_TOKEN: ${{ github.token }}
       run: |
+        # Install-PowerShell
         set -e
 
         echo "Requested version: [$REQUESTED_VERSION]"
@@ -105,6 +106,7 @@ runs:
         REQUESTED_VERSION: ${{ inputs.Version }}
         GITHUB_TOKEN: ${{ github.token }}
       run: |
+        # Install-PowerShell
         set -e
 
         echo "Requested version: [$REQUESTED_VERSION]"
@@ -168,6 +170,7 @@ runs:
         REQUESTED_VERSION: ${{ inputs.Version }}
         GITHUB_TOKEN: ${{ github.token }}
       run: |
+        # Install-PowerShell
         Write-Host "Requested version: [$env:REQUESTED_VERSION]"
 
         # Only resolve to latest version if explicitly set to 'latest' (case-insensitive)