修改部分DNS的默认配置为DoT，速度比DoH快。

Author: wangliang181230

packages/core/src/config/index.js

@@ -374,31 +374,21 @@ const defaultConfig = {
     },
     dns: {
       providers: {
+        safe360: {
+          server: 'tls://dot.360.cn',
+          forSNI: true,
+        },
         aliyun: {
-          type: 'https',
-          server: 'https://dns.alidns.com/dns-query',
-          cacheSize: 1000,
+          server: 'tls://dns.alidns.com',
         },
         cloudflare: {
-          type: 'https',
           server: 'https://1.1.1.1/dns-query',
-          cacheSize: 1000,
         },
         quad9: {
-          type: 'https',
           server: 'https://9.9.9.9/dns-query',
-          cacheSize: 1000,
-        },
-        safe360: {
-          type: 'https',
-          server: 'https://doh.360.cn/dns-query',
-          cacheSize: 1000,
-          forSNI: true,
         },
         rubyfish: {
-          type: 'https',
           server: 'https://rubyfish.cn/dns-query',
-          cacheSize: 1000,
         },
       },
       mapping: {