Mark securityScopedBookmarks as optional and a boolean (#11901)

docs/api/dialog.md

@@ -50,7 +50,7 @@ The `dialog` module has the following methods:
       as a directory instead of a file.
   * `message` String (optional) _macOS_ - Message to display above input
     boxes.
-  * `securityScopedBookmarks` _masOS_ _mas_ - Create [security scoped bookmarks](https://developer.apple.com/library/content/documentation/Security/Conceptual/AppSandboxDesignGuide/AppSandboxInDepth/AppSandboxInDepth.html#//apple_ref/doc/uid/TP40011183-CH3-SW16) when packaged for the Mac App Store.
+  * `securityScopedBookmarks` Boolean (optional) _masOS_ _mas_ - Create [security scoped bookmarks](https://developer.apple.com/library/content/documentation/Security/Conceptual/AppSandboxDesignGuide/AppSandboxInDepth/AppSandboxInDepth.html#//apple_ref/doc/uid/TP40011183-CH3-SW16) when packaged for the Mac App Store.
 * `callback` Function (optional)
   * `filePaths` String[] - An array of file paths chosen by the user
   * `bookmarks` String[] _macOS_ _mas_ - An array matching the `filePaths` array of base64 encoded strings which contains security scoped bookmark data. `securityScopedBookmarks` must be enabled for this to be populated.