Bug#947078: git-buildpackage: Need to make gbp clone pseudo protocols confgirable

[Nicolas Boulenguez]

Package: git-buildpackage
Followup-For: Bug #947078

Hello.
It is better to fix this for all tools using git, for example by
setting a rewriting rule in ~/.config/git/config.
[url "g...@salsa.debian.org:debian/"]
        insteadOf = https://salsa.debian.org/debian/