update build status badge

Author: hrach

readme.md

@@ -1,7 +1,7 @@
 PHPStan for Nextras Orm
 =======================
 
-[![Build Status](https://github.com/nextras/orm-phpstan/workflows/Build/badge.svg?branch=master)](https://github.com/nextras/orm-phpstan/actions?query=workflow%3ABuild+branch%3Amaster)
+[![Build](https://github.com/nextras/orm-phpstan/actions/workflows/build.yml/badge.svg)](https://github.com/nextras/orm-phpstan/actions/workflows/build.yml)
 
 PHPStan extension for Nextras Orm.