gh-actions: rename release test artifacts
gh-actions: rename release test artifacts

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