What happened?

It does not appear to be possible to have a colon for a port when using variables

Steps to reproduce?

Set. host and port variable
try
`http://{{HOST}}:{{PORT}}`

What did you expect to happen?

Expect the URL to be valid

Platform

macOS

HTTPie Desktop version

2022.5.1

Relevant log output

No response

Code of Conduct

• I agree to follow this project's Code of Conduct