gh-actions: release-tests: properly configure GH token for sudo
gh-actions: release-tests: properly configure GH token for sudo

kaspar030/RIOT,OlegHahm/RIOT,OlegHahm/RIOT,ant9000/RIOT,miri64/RIOT,kaspar030/RIOT,jasonatran/RIOT,kaspar030/RIOT,kYc0o/RIOT,jasonatran/RIOT,jasonatran/RIOT,miri64/RIOT,ant9000/RIOT,authmillenon/RIOT,authmillenon/RIOT,OlegHahm/RIOT,RIOT-OS/RIOT,kaspar030/RIOT,miri64/RIOT,RIOT-OS/RIOT,RIOT-OS/RIOT,miri64/RIOT,ant9000/RIOT,ant9000/RIOT,kYc0o/RIOT,OTAkeys/RIOT,authmillenon/RIOT,OlegHahm/RIOT,kYc0o/RIOT,kYc0o/RIOT,ant9000/RIOT,authmillenon/RIOT,authmillenon/RIOT,jasonatran/RIOT,miri64/RIOT,kYc0o/RIOT,kaspar030/RIOT,OlegHahm/RIOT,jasonatran/RIOT,authmillenon/RIOT,OTAkeys/RIOT,OTAkeys/RIOT,RIOT-OS/RIOT,RIOT-OS/RIOT,OTAkeys/RIOT,OTAkeys/RIOT