bug#65768: Bump persist.el version

[Joseph Turner]

Stefan Kangas <stefankangas@gmail.com> writes:

> BTW, I see the following warnings from package-lint:
>
> 1:64: warning: You should depend on (emacs "24.1") if you need 
> lexical-binding.
> 228:51: error: You should depend on (emacs "26.1") if you need `recordp'.
> 233:64: error: You should depend on (emacs "26.1") if you need `recordp'.
> 236:53: error: You should depend on (emacs "26.1") if you need `recordp'.
>
> Would the below patch be appropriate?
>
> diff --git a/persist.el b/persist.el
> index 2b96b2b7f0..6cc94b4db3 100644
> --- a/persist.el
> +++ b/persist.el
> @@ -5,6 +5,7 @@
>  ;; Author: Phillip Lord <phillip.lord@russet.org.uk>
>  ;; Maintainer: Joseph Turner <persist-el@breatheoutbreathe.in>
>  ;; Package-Type: multi
> +;; Package-Requires: ((emacs "26.1"))
>  ;; Version: 0.6
>
>  ;; The contents of this file are subject to the GPL License, Version 3.0.

LGTM.  Thank you!

Joseph