Upgrade to PHP8.2

src/CommandShow.php

@@ -1,15 +1,19 @@
 <?php
 namespace App;
 
+use Symfony\Component\Console\Attribute\AsCommand;
 use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Input\InputArgument;
 use Symfony\Component\Console\Output\OutputInterface;
 use Symfony\Component\Console\Style\SymfonyStyle;
 
-use Symfony\Component\Yaml\Yaml;
-use Symfony\Component\Yaml\Exception\ParseException;
 
+#[AsCommand(
+    name: 'show',
+    description: 'Show all backup entries.',
+    hidden: false,
+)]
 class CommandShow extends Command
 {
     static $defaultName = "show";