drop support for php 7, fix some symfony 6.x issues

Author: patinthehat

README.md

@@ -20,6 +20,10 @@ This package is designed to be used in your CI/CD or automated testing process _
 The concept for this package is based on [this article](https://ocramius.github.io/blog/automated-code-coverage-check-for-github-pull-requests-with-travis/).
 
 ---
+``
+> Note on PHP 7.x support: 
+> If you are using PHP 7.x, use the 1.x version of this package.
+> 
 
 ## Installation
 

composer.json

@@ -20,9 +20,9 @@
         }
     ],
     "require": {
-        "php": "^7.3|^8.0",
+        "php": "^8.0",
         "ext-simplexml": "*",
-        "symfony/console": "^5.3|^6.0"
+        "symfony/console": "^6.0"
     },
     "require-dev": {
         "phpunit/phpunit": "^9.5",

src/Commands/CheckCoverageCommand.php

@@ -9,11 +9,11 @@
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Input\InputOption;
 use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Console\Attribute\AsCommand;
 
+#[AsCommand('check')]
 class CheckCoverageCommand extends Command
 {
-    protected static $defaultName = 'check';
-
     /** @var OutputInterface */
     protected $output;