Cygwin git should suggest cloning with HTTPS, not HTTP

[Hamish McIntyre-Bhatty]

Hi there,

I recently noticed that the git repo pages (for example 
https://cygwin.com/git-cygwin-packages/?p=git/cygwin-packages/2048-cli.git;a=summary) 
suggest cloning with HTTP, instead of HTTPS.

HTTPS is available, so this seems like a more secure option to offer 
instead of HTTP.

Hamish