Change line endings from LF to CRLF when writing build scripts on Win…

[kevarding]

Resolve #4521 by changing LF line endings to CRLF in the function write_build_scripts from the windows.py module. (Assuming that it is this simple and that the change won't break anything else)

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[EzioHelios]

Encountered the same problem. And this patch works.

[github-actions[bot]]

Hi there, thank you for your contribution!

This pull request has been automatically marked as stale because it has not had recent activity. It will be closed automatically if no further activity occurs.

If you would like this pull request to remain open please:

1. Rebase and verify the changes still work
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Thanks!