[BC] Upgraded dependencies, dropped support for anything below PHP 8.0. (#849)

* GitHub actions + style fixes + updated packages

* Fixed workflows dir

* Support for PHP 8.1 (#1)

* Update README.md

* Revert some changes from upstream

tests/Alchemy/BinaryDriver/LTSProcessBuilder.php

@@ -0,0 +1,54 @@
+<?php
+
+namespace Alchemy\Tests\BinaryDriver;
+
+use Alchemy\BinaryDriver\ProcessBuilderFactory;
+use LogicException;
+use Symfony\Component\Process\Process;
+use Symfony\Component\Process\ProcessBuilder;
+
+class LTSProcessBuilder extends ProcessBuilder
+{
+    private $arguments;
+    private $prefix;
+    private $timeout;
+
+    public function __construct(array $arguments = array())
+    {
+        $this->arguments = $arguments;
+        parent::__construct($arguments);
+    }
+
+    public function setArguments(array $arguments)
+    {
+        $this->arguments = $arguments;
+
+        return $this;
+    }
+
+    public function setPrefix($prefix)
+    {
+        $this->prefix = $prefix;
+
+        return $this;
+    }
+
+    public function setTimeout($timeout)
+    {
+        $this->timeout = $timeout;
+
+        return $this;
+    }
+
+    public function getProcess()
+    {
+        if (!$this->prefix && !count($this->arguments)) {
+            throw new LogicException('You must add() command arguments before calling getProcess().');
+        }
+
+        $args = $this->prefix ? array_merge(array($this->prefix), $this->arguments) : $this->arguments;
+        $script = implode(' ', array_map('escapeshellarg', $args));
+
+        return new Process($script, null, null, null, $this->timeout);
+    }
+}