TUN-3375: Upgrade coredns and prometheus dependencies

vendor/github.com/miekg/dns/README.md

@@ -28,6 +28,7 @@ A not-so-up-to-date-list-that-may-be-actually-current:
 * https://github.com/coredns/coredns
 * https://cloudflare.com
 * https://github.com/abh/geodns
+* https://github.com/baidu/bfe
 * http://www.statdns.com/
 * http://www.dnsinspect.com/
 * https://github.com/chuangbo/jianbing-dictionary-dns
@@ -70,6 +71,8 @@ A not-so-up-to-date-list-that-may-be-actually-current:
 * https://render.com
 * https://github.com/peterzen/goresolver
 * https://github.com/folbricht/routedns
+* https://domainr.com/
+* https://zonedb.org/
 
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