Update plex-install.sh

update keyring location

install/plex-install.sh

@@ -38,8 +38,8 @@ if [[ "$CTTYPE" == "0" ]]; then
 fi
 
 msg_info "Setting Up Plex Media Server Repository"
-wget -qO- https://downloads.plex.tv/plex-keys/PlexSign.key >/etc/apt/trusted.gpg.d/PlexSign.asc
-echo "deb [arch=$(dpkg --print-architecture)] https://downloads.plex.tv/repo/deb/ public main" >/etc/apt/sources.list.d/plexmediaserver.list
+wget -qO- https://downloads.plex.tv/plex-keys/PlexSign.key >/usr/share/keyrings/PlexSign.asc
+echo "deb [signed-by=/usr/share/keyrings/PlexSign.asc] https://downloads.plex.tv/repo/deb/ public main" >/etc/apt/sources.list.d/plexmediaserver.list
 msg_ok "Set Up Plex Media Server Repository"
 
 msg_info "Installing Plex Media Server"