fix: FileTrigger acceptedFileTypes should accept a readonly array (#8477)

Author: lixiaoyan

packages/react-aria-components/src/FileTrigger.tsx

@@ -19,7 +19,7 @@ export interface FileTriggerProps {
   /**
    * Specifies what mime type of files are allowed.
    */
-  acceptedFileTypes?: Array<string>,
+  acceptedFileTypes?: ReadonlyArray<string>,
   /**
    * Whether multiple files can be selected.
    */