UriFormatException for gist references with GitHubApi token (versions > 5.142.0) #3086

Description

Throws UriFormatException for gist references with GitHubApi token (versions > 5.142.0)

Repro steps

Example reference that used to work:

gist orient-man/c29c299ed970fd097f80124ffde734ce FindOutdatedPackages.fsx github-api-token

Expected behavior

Should work as described in https://fsprojects.github.io/Paket/github-dependencies.html#Referencing-a-private-GitHub-repository

Actual behavior

Throws "Paket failed with -> UriFormatException"

Known workarounds

Do not upgrade > 5.142.0. Set in paket.dependecies:

version 5.142.0