fix(TextProcessingApiController): Set better attribute on routes

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

[skip ci]

Author: marcelklehr

core/Controller/TextProcessingApiController.php

@@ -110,7 +110,7 @@ public function taskTypes(): DataResponse {
 	 * 400: Scheduling task is not possible
 	 * 412: Scheduling task is not possible
 	 */
-	#[PublicPage]
+	#[NoAdminRequired]
 	#[UserRateLimit(limit: 20, period: 120)]
 	#[AnonRateLimit(limit: 5, period: 120)]
 	public function schedule(string $input, string $type, string $appId, string $identifier = ''): DataResponse {