Migrate to use jsoniter instead of encoding/json (#14841)

* Migrate to use jsoniter

* fix tests

* update gitea.com/go-chi/binding

Signed-off-by: Andrew Thornton <art27@cantab.net>
Co-authored-by: 6543 <6543@obermui.de>

modules/httplib/httplib.go

@@ -8,7 +8,6 @@ package httplib
 import (
 	"bytes"
 	"crypto/tls"
-	"encoding/json"
 	"encoding/xml"
 	"io"
 	"io/ioutil"
@@ -23,6 +22,8 @@ import (
 	"strings"
 	"sync"
 	"time"
+
+	jsoniter "github.com/json-iterator/go"
 )
 
 var defaultSetting = Settings{false, "GiteaServer", 60 * time.Second, 60 * time.Second, nil, nil, nil, false}
@@ -434,6 +435,7 @@ func (r *Request) ToJSON(v interface{}) error {
 	if err != nil {
 		return err
 	}
+	json := jsoniter.ConfigCompatibleWithStandardLibrary
 	err = json.Unmarshal(data, v)
 	return err
 }