Move all push update operations to a queue (#10133)

* Fix test

* Add no queue for test only

* improve code

* Auto watch whatever branch operation

* Fix lint

* Rename noqueue to immediate

* Remove old PushUpdate function

* Fix tests

Co-authored-by: zeripath <art27@cantab.net>
Co-authored-by: techknowlogick <techknowlogick@gitea.io>

services/repository/repository.go

@@ -87,3 +87,8 @@ func PushCreateRepo(authUser, owner *models.User, repoName string) (*models.Repo
 
 	return repo, nil
 }
+
+// NewContext start repository service
+func NewContext() error {
+	return initPushQueue()
+}