On Windows runners, extracting the downloaded CLI zip file was failing because the file didn't have a .zip extension. This commit attempts to solve the problem by adding the extension to the downloaded file before extraction.
That allows to install for example the latest bug-fix version of
terraform 1.12.* even if 1.13 is already installed.
Co-authored-by: Matthew Sanabria <24284972+sudomateo@users.noreply.github.com>