fix: Add an deprecated alias for IO to avoid a hard BC break

src/Input/IO.php

@@ -0,0 +1,33 @@
+<?php
+
+/*
+ * This file is part of the Fidry\Console package.
+ *
+ * (c) Théo FIDRY <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace Fidry\Console\Input;
+
+use function class_alias;
+use function sprintf;
+use function trigger_deprecation;
+
+$alias = \Fidry\Console\Input\IO::class;
+$newClass = \Fidry\Console\IO::class;
+
+@trigger_deprecation(
+    'fidry/console',
+    '0.6.0',
+    sprintf(
+        'Using the class "%s" is deprecated. Use "%s" instead.',
+        $alias,
+        $newClass,
+    ),
+);
+
+class_alias($newClass, $alias);