[PATCH v5 24/25] Add NEWS entry.

[Eli Zaretskii]

> Date: Wed, 27 Jan 2021 17:21:11 -0300
> From: Luis Machado via Gdb-patches <gdb-patches@sourceware.org>
> 
> Updates on v4:
> 
> - Update command names.
> 
> --
> 
> Mention the new packets and memory tagging features.
> 
> gdb/ChangeLog:
> 
> YYYY-MM-DD  Luis Machado  <luis.machado@linaro.org>
> 
> 	* NEWS: Mention memory tagging changes.

This was already approved, I think.