[TOOLS] Continue raising PHPStan level to 6

components/Language/Language.php

@@ -45,6 +45,9 @@ class Language extends Component
         return Event::next;
     }
 
+    /**
+     * @param Note[] $notes
+     */
     public function onFilterNoteList(?Actor $actor, array &$notes, Request $request): EventResult
     {
         if (\is_null($actor)) {
@@ -60,6 +63,9 @@ class Language extends Component
 
     /**
      * Populate $note_expr or $actor_expr with an expression to match a language
+     *
+     * @param mixed $note_expr
+     * @param mixed $actor_expr
      */
     public function onCollectionQueryCreateExpression(ExpressionBuilder $eb, string $term, ?string $locale, ?Actor $actor, &$note_expr, &$actor_expr): EventResult
     {