Update sonarr-install.sh

fix unattended install

install/sonarr-install.sh

@@ -25,7 +25,7 @@ msg_info "Installing Sonarr"
 $STD apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 2009837CBFFD68F45BC180471F4F90DE2A9B4BF8
 sh -c 'echo "deb https://apt.sonarr.tv/debian buster-develop main" > /etc/apt/sources.list.d/sonarr.list'
 $STD apt-get update
-$STD apt-get -o Dpkg::Options::="--force-confold" install -y sonarr
+DEBIAN_FRONTEND=noninteractive apt-get -o Dpkg::Options::="--force-confold" install -qqy sonarr &>/dev/null
 msg_ok "Installed Sonarr"
 
 motd_ssh