Use green logo on windows
Use green logo on windows

This commit sets the version logo colour to green so as to avoid
clashing with the Powershell default blue.

Signed-off-by: John McCabe <a51dda7c7ff50b61eaea0444371f4a6a9301e501@johnmccabe.net>

itscaro/faas-cli,itscaro/faas-cli,itscaro/faas-cli