Update Jackett app when updating Jackett LXC. (#3137)

ct/jackett.sh

@@ -59,6 +59,15 @@ msg_info "Updating ${APP} LXC"
 apt-get update &>/dev/null
 apt-get -y upgrade &>/dev/null
 msg_ok "Updated ${APP} LXC"
+msg_info "Updating ${APP}"
+RELEASE=$(wget -q https://github.com/Jackett/Jackett/releases/latest -O - | grep "title>Release" | cut -d " " -f 4)
+wget -q https://github.com/Jackett/Jackett/releases/download/$RELEASE/Jackett.Binaries.LinuxAMDx64.tar.gz
+systemctl stop jackett
+rm -rf /opt/Jackett
+tar -xzf Jackett.Binaries.LinuxAMDx64.tar.gz -C /opt
+rm -rf Jackett.Binaries.LinuxAMDx64.tar.gz
+systemctl start jackett
+msg_ok "Updated ${APP} to ${RELEASE}"
 exit
 }