Add additional Quad9 addresses

[johnhtodd]

Hello -
Quad9 has more service addresses than you currently list, which may be worth updating in the defaultResolvers.json and defaultSurvey.json files.

DefaultResolvers.json & DefaultSurvey.json additions/modifications for Quad9:

    {"name": "Quad9 (w/blocklist) UDP", "url": "udp://9.9.9.9"},
    {"name": "Quad9 (no blocklist) UDP", "url": "udp://9.9.9.10"},
    {"name": "Quad9 (blocklist w/ECS) UDP", "url": "udp://9.9.9.11"},
    {"name": "Quad9 (w/blocklist) over TLS", "url": "dot://dns.quad9.net"},
    {"name": "Quad9 (no blocklist) over TLS", "url": "dot://dns10.quad9.net"},
    {"name": "Quad9 (blocklist w/ECS) over TLS", "url": "dot://dns11.quad9.net"},
    {"name": "Quad9 (w/blocklist) https POST", "url": "https://dns.quad9.net/dns-query"},
    {"name": "Quad9 (no blocklist) https POST", "url": "https://dns10.quad9.net/dns-query"},
    {"name": "Quad9 (blocklist w/ECS) https POST", "url": "https://dns11.quad9.net/dns-query"},
    {"name": "Quad9 (w/blocklist) https GET", "url": "https://dns.quad9.net/dns-query{?dns}"},
    {"name": "Quad9 (no blocklist) https GET", "url": "https://dns10.quad9.net/dns-query{?dns}"},
    {"name": "Quad9 (blocklist w/ECS) https GET", "url": "https://dns11.quad9.net/dns-query{?dns}"},