turn: update default coturn configuration

doc/debian/jitsi-meet-turn/turnserver.conf

 realm=jitsi-meet.example.com
 cert=/etc/jitsi/meet/jitsi-meet.example.com.crt
 pkey=/etc/jitsi/meet/jitsi-meet.example.com.key
-
+no-multicast-peers
+no-cli
+no-loopback-peers
+no-tcp-relay
 no-tcp
 listening-port=4446
 tls-listening-port=4445
 no-tlsv1_1
 # https://ssl-config.mozilla.org/#server=haproxy&version=2.1&config=intermediate&openssl=1.1.0g&guideline=5.4
 cipher-list=ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384
-
+denied-peer-ip=0.0.0.0-0.255.255.255
+denied-peer-ip=10.0.0.0-10.255.255.255
+denied-peer-ip=100.64.0.0-100.127.255.255
+denied-peer-ip=127.0.0.0-127.255.255.255
+denied-peer-ip=169.254.0.0-169.254.255.255
+denied-peer-ip=127.0.0.0-127.255.255.255
+denied-peer-ip=172.16.0.0-172.31.255.255
+denied-peer-ip=192.0.0.0-192.0.0.255
+denied-peer-ip=192.0.2.0-192.0.2.255
+denied-peer-ip=192.88.99.0-192.88.99.255
+denied-peer-ip=192.168.0.0-192.168.255.255
+denied-peer-ip=198.18.0.0-198.19.255.255
+denied-peer-ip=198.51.100.0-198.51.100.255
+denied-peer-ip=203.0.113.0-203.0.113.255
+denied-peer-ip=240.0.0.0-255.255.255.255
 syslog