docker.test.yml: Fix git for Docker Cloud
docker.test.yml: Fix git for Docker Cloud

saketkc/linuxbrew,Angeldude/linuxbrew,reelsense/linuxbrew,Linuxbrew/linuxbrew,Homebrew/linuxbrew,Homebrew/linuxbrew,reelsense/linuxbrew,SuperNEMO-DBD/cadfaelbrew,SuperNEMO-DBD/cadfaelbrew,gnubila-france/linuxbrew,sjackman/linuxbrew,SuperNEMO-DBD/cadfaelbrew,saketkc/linuxbrew,Angeldude/linuxbrew,reelsense/linuxbrew,gnubila-france/linuxbrew,Linuxbrew/linuxbrew,SuperNEMO-DBD/cadfaelbrew,reelsense/linuxbrew,Angeldude/linuxbrew,sjackman/linuxbrew,Linuxbrew/linuxbrew,Homebrew/linuxbrew,sjackman/linuxbrew,gnubila-france/linuxbrew,gnubila-france/linuxbrew,sjackman/linuxbrew,Homebrew/linuxbrew,Linuxbrew/linuxbrew,saketkc/linuxbrew,Angeldude/linuxbrew,saketkc/linuxbrew