PHP 8.1 supported too

README.md

@@ -10,7 +10,7 @@
   <a href="https://github.com/shivammathur/setup-php" title="GitHub action to setup PHP"><img alt="GitHub Actions status" src="https://github.com/shivammathur/setup-php/workflows/Main%20workflow/badge.svg"></a>
   <a href="https://codecov.io/gh/shivammathur/setup-php" title="Code coverage"><img alt="Codecov Code Coverage" src="https://img.shields.io/codecov/c/github/shivammathur/setup-php?logo=codecov"></a>
   <a href="https://github.com/shivammathur/setup-php/blob/master/LICENSE" title="license"><img alt="LICENSE" src="https://img.shields.io/badge/license-MIT-428f7e.svg?logo=open%20source%20initiative&logoColor=white&labelColor=555555"></a>
-  <a href="#tada-php-support" title="PHP Versions Supported"><img alt="PHP Versions Supported" src="https://img.shields.io/badge/php-5.3%20to%208.0-777bb3.svg?logo=php&logoColor=white&labelColor=555555"></a>  
+  <a href="#tada-php-support" title="PHP Versions Supported"><img alt="PHP Versions Supported" src="https://img.shields.io/badge/php-5.3%20to%208.1-777bb3.svg?logo=php&logoColor=white&labelColor=555555"></a>  
 </p>
 <p align="center">  
   <a href="https://reddit.com/r/setup_php" title="setup-php reddit"><img alt="setup-php reddit" src="https://img.shields.io/badge/reddit-join-FF5700?logo=reddit&logoColor=FF5700&labelColor=555555"></a>