message: Add change log entry for fa-IR locale [skip ci]
diff: @@ -152,6 +152,8 @@ for the list of changes made since `v2.0.0-alpha.1`.
  - [ar-DZ locale was updated for v2](https://github.com/date-fns/date-fns/pull/1168). Kudos to [@elshahat](https://github.com/elshahat)!
  +- [Added Persian (fa-IR) locale](https://github.com/date-fns/date-fns/pull/1113). Credits go to [@mort3za](https://github.com/mort3za)!
  +
  - New locale-dependent week-numbering year helpers:
  - `getWeek`
  