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>

services/webhook/dingtalk.go

@@ -5,7 +5,6 @@
 package webhook
 
 import (
-	"encoding/json"
 	"fmt"
 	"strings"
 
@@ -13,6 +12,7 @@ import (
 	"code.gitea.io/gitea/modules/git"
 	api "code.gitea.io/gitea/modules/structs"
 
+	jsoniter "github.com/json-iterator/go"
 	dingtalk "github.com/lunny/dingtalk_webhook"
 )
 
@@ -30,6 +30,7 @@ func (d *DingtalkPayload) SetSecret(_ string) {}
 
 // JSONPayload Marshals the DingtalkPayload to json
 func (d *DingtalkPayload) JSONPayload() ([]byte, error) {
+	json := jsoniter.ConfigCompatibleWithStandardLibrary
 	data, err := json.MarshalIndent(d, "", "  ")
 	if err != nil {
 		return []byte{}, err