Add tables for almost every admin change, update composer dependencies

app/Http/Requests/Api/Application/Mounts/GetMountRequest.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace Pterodactyl\Http\Requests\Api\Application\Mounts;
+
+use Pterodactyl\Models\Mount;
+
+class GetMountRequest extends GetMountsRequest
+{
+    /**
+     * Determine if the requested mount exists on the Panel.
+     *
+     * @return bool
+     */
+    public function resourceExists(): bool
+    {
+        $mount = $this->route()->parameter('mount');
+
+        return $mount instanceof Mount && $mount->exists;
+    }
+}