Docs: Notices: Regenerate notices action documentation

docs/data/data-core-notices.md

@@ -23,7 +23,9 @@ Yields action objects used in signalling that a notice is to be created.
  * statusOrNotice: Notice status, or a
                                                       notice object.
                                                       Defaults to `info`.
- * content: Notice message.
+ * contentOrOptions: Notice message, or
+                                                      options if the first
+                                                      argument is WPNotice.
  * options: Notice options.
  * options.context: Context under which to
                                                       group notice.
@@ -33,6 +35,11 @@ Yields action objects used in signalling that a notice is to be created.
  * options.isDismissible: Whether the notice can
                                                       be dismissed by user.
                                                       Defaults to `true`.
+ * options.speak: Whether the notice
+                                                      content should be
+                                                      announced to screen
+                                                      readers. Defaults to
+                                                      `true`.
  * options.actions: User actions to be
                                                       presented with notice.