fix(psalm issues)

Signed-off-by: Marcel Klehr <mklehr@gmx.net>

Author: marcelklehr

lib/private/TextToImage/Manager.php

@@ -49,7 +49,7 @@
 use Throwable;
 
 class Manager implements IManager {
-	/** @var ?IProvider[] */
+	/** @var ?list<IProvider> */
 	private ?array $providers = null;
 	private IAppData $appData;