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/session/virtual.go

@@ -5,7 +5,6 @@
 package session
 
 import (
-	"encoding/json"
 	"fmt"
 	"sync"
 
@@ -14,6 +13,7 @@ import (
 	memcache "gitea.com/go-chi/session/memcache"
 	mysql "gitea.com/go-chi/session/mysql"
 	postgres "gitea.com/go-chi/session/postgres"
+	jsoniter "github.com/json-iterator/go"
 )
 
 // VirtualSessionProvider represents a shadowed session provider implementation.
@@ -25,6 +25,7 @@ type VirtualSessionProvider struct {
 // Init initializes the cookie session provider with given root path.
 func (o *VirtualSessionProvider) Init(gclifetime int64, config string) error {
 	var opts session.Options
+	json := jsoniter.ConfigCompatibleWithStandardLibrary
 	if err := json.Unmarshal([]byte(config), &opts); err != nil {
 		return err
 	}