bin/57124: pkg_add in 10.0_BETA prints "Unknown http error" when accessing NetBSD CDN over HTTPS

[nia%pkgsrc.org@localhost]

>Number:         57124
>Category:       bin
>Synopsis:       pkg_add in 10.0_BETA prints "Unknown http error" when accessing NetBSD CDN over HTTPS
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    bin-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Tue Dec 20 18:20:00 +0000 2022
>Originator:     nia
>Release:        
>Organization:
The NetBSD Foundation
>Environment:
>Description:
pkg_add is struggling to load any packages from cdn.netbsd.org over
HTTPS. This is likely caused by a deficiency in the embedded copy of
libfetch that pkg_install users.
>How-To-Repeat:

>Fix: