Upgrade to Laravel 9 (#4413)

Co-authored-by: DaneEveritt <dane@daneeveritt.com>

app/Http/Middleware/VerifyCsrfToken.php

@@ -10,8 +10,6 @@ class VerifyCsrfToken extends BaseVerifier
      * The URIs that should be excluded from CSRF verification. These are
      * never hit by the front-end, and require specific token validation
      * to work.
-     *
-     * @var string[]
      */
     protected $except = ['remote/*', 'daemon/*'];
 }