Cloner le depot source

    git clone https://github.com/pluginsGLPI/fields -b 1.13.1

Creer la nouvelle branche GIT

    git switch -c main

Changer son UPSTREAM

    git remote set-url origin git@github.com:minzords/itsm-plugin_fields.git

Resultat

    [florianb@ITSM-NG fields]$ git remote -v
    origin  git@github.com:minzords/itsm-plugin_fields.git (fetch)
    origin  git@github.com:minzords/itsm-plugin_fields.git (push)

Envoyer la branche sur le depot GIT distant

    git push --set-upstream origin main