[tz] Error for Chile on September 2023

[Paul Eggert]

On 11/6/23 15:58, Jacqueline Seron via tz wrote:
> The change of date for September 2023 appears in this government webpage,
> second paragraph.
> 
> https://www.interior.gob.cl/noticias/2022/08/09/comunicado-el-proximo-sabado-10-de-septiembre-los-relojes-se-deben-adelantar-una-hora/


That web page is about changes in September 2022, not September 2023. As 
far as we know, it was a one-shot change and things went back to normal 
this spring.