Fix: Add .zip extension to Windows package downloads for Expand-Archive Compatibility

[priyagupta108]

Description:
This pull request addresses compatibility issues on Windows by ensuring that filename for Python and PyPy package downloads explicitly include the .zip extension. This change allows the Expand-Archive command to function correctly on Windows self-hosted runners.

Related issue:
#819
#904

Check list:

• Mark if documentation changes are required.
• Mark if tests were added or updated to cover the changes.

[jortony]

I realize that this is a little late, but the code base can be simplified by removing all checks and use of Powershell here. Since the Powershell commands for archive are based on the dotnet APIs it would be much more efficient and less error prone to call them directly.