Fix README.md tests badge

Author: pascalbaljet

README.md

@@ -4,8 +4,8 @@
   <a href="https://github.com/inertiajs/inertia-laravel/releases">
     <img src="https://img.shields.io/github/release/inertiajs/inertia-laravel.svg?style=flat-square" alt="Latest Version">
   </a>
-  <a href="https://github.com/inertiajs/inertia-laravel/actions/workflows/tests.yml?query=workflow%3Atests+branch%3Amaster">
-    <img src="https://github.com/inertiajs/inertia-laravel/actions/workflows/tests.yml/badge.svg?branch=master" alt="Build Status">
+  <a href="https://github.com/inertiajs/inertia-laravel/actions/workflows/tests.yml">
+    <img src="https://github.com/inertiajs/inertia-laravel/actions/workflows/tests.yml/badge.svg" alt="Build Status">
   </a>
   <a href="https://packagist.org/packages/inertiajs/inertia-laravel">
     <img src="https://img.shields.io/packagist/dt/inertiajs/inertia-laravel.svg?style=flat-square" alt="Total Downloads">