Update setup.sh

setup.sh

@@ -6,7 +6,7 @@ apt-get update
 apt-get install -y git apache2 gnupg xz-utils
 
 echo "deb http://download.opensuse.org/repositories/home:/VIFIBnexedi/Debian_12/ ./" | tee /etc/apt/sources.list.d/slapos.list
-wget -O- "https://download.opensuse.org/repositories/home:/VIFIBnexedi/Debian_12/Release.key" | apt-key add -
+wget -O /etc/apt/trusted.gpg.d/vifib.asc https://download.opensuse.org/repositories/home:/VIFIBnexedi/Debian_12/Release.key
 apt-get update
 apt-get install -y slapos-node