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>

routers/events/events.go

@@ -5,7 +5,6 @@
 package events
 
 import (
-	"encoding/json"
 	"net/http"
 	"time"
 
@@ -17,6 +16,7 @@ import (
 	"code.gitea.io/gitea/modules/log"
 	"code.gitea.io/gitea/modules/setting"
 	"code.gitea.io/gitea/routers/user"
+	jsoniter "github.com/json-iterator/go"
 )
 
 // Events listens for events
@@ -92,6 +92,7 @@ loop:
 				log.Error("Unable to APIFormat stopwatches: %v", err)
 				continue
 			}
+			json := jsoniter.ConfigCompatibleWithStandardLibrary
 			dataBs, err := json.Marshal(apiSWs)
 			if err != nil {
 				log.Error("Unable to marshal stopwatches: %v", err)