feat: change json lib to jsoniter

A high-performance 100% compatible drop-in replacement of "encoding/json"

https://github.com/json-iterator/go

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>

binding/json.go

@@ -5,8 +5,9 @@
 package binding
 
 import (
-	"encoding/json"
 	"net/http"
+
+	json "github.com/json-iterator/go"
 )
 
 type jsonBinding struct{}