feat: updated readme.md

Author: dacoto

readme.md

@@ -1,10 +1,10 @@
 # Laravel Domain Validation
 
-![GitHub Workflow Status (branch)](https://img.shields.io/github/workflow/status/dacoto/laravel-domain-validation/CI/master)
+![GitHub Workflow Status (branch)](https://img.shields.io/github/actions/workflow/status/dacoto/laravel-domain-validation/run-tests.yml)
 ![GitHub](https://img.shields.io/github/license/dacoto/laravel-domain-validation)
 ![GitHub release (latest by date)](https://img.shields.io/github/v/release/dacoto/laravel-domain-validation)
 
-A domain validator rule for Laravel 6.x and higher.
+A domain validator rule for Laravel 8.x and higher.
 
 ## Usage