* fix some webhooks bugs

* update vendor

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>

* fix test

* fix clearlabels

* fix pullrequest webhook bug fix #3492

* update release webhook description

* remove unused code

* fix push webhook in pull request

* small changes

* reduce usage of allcols on update

* fix bug and tests

Also add unit tests