[tz] Iran DST change cancelled and step to avoid DST changing in their Linux system

[Paul Eggert]

On 3/16/22 23:08, S Sathish S wrote:
> Today we have seen latest tzdata2022a whether you have in-scoped " Daylight saying cancelled in Iran" can you confirm us.

2022a contains no changes for Iran. As I understand it, the Iranian 
government has not made a final decision. If and when it decides to 
change the rules, we'll need a followup release.