Laravel 9 support

README.md

@@ -4,9 +4,9 @@
 
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+[![StyleCI](https://github.styleci.io/repos/59570052/shield?branch=9.x&style=flat)](https://github.styleci.io/repos/59570052?branch=9.x)
+[![Build Status](https://img.shields.io/github/workflow/status/dmitry-ivanov/laravel-console-mutex/tests/9.x)](https://github.com/dmitry-ivanov/laravel-console-mutex/actions?query=workflow%3Atests+branch%3A9.x)
+[![Coverage Status](https://img.shields.io/codecov/c/github/dmitry-ivanov/laravel-console-mutex/9.x)](https://app.codecov.io/gh/dmitry-ivanov/laravel-console-mutex/branch/9.x)
 
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@@ -51,7 +51,7 @@ Mutex for Laravel Console Commands.
 1. Install the package via Composer:
 
     ```shell script
-    composer require illuminated/console-mutex
+    composer require "illuminated/console-mutex:^9.0"
     ```
 
 2. Use `Illuminated\Console\WithoutOverlapping` trait: