New upstream version, affecting the following past and future timestamps:

* New upstream version, affecting the following past and future
  timestamps:
  - Qyzylorda, Kazakhstan moved from +06 to +05 on 2018-12-21. A new
    zone Asia/Qostanay has been added, because Qostanay, Kazakhstan
    didn't move.
  - Metlakatla, Alaska observes PST this winter only.