timezone data: update to 2021e

Update timezone data to 2021e.

http://mm.icann.org/pipermail/tz-announce/2021-September/000066.html
* Jordan now starts DST on February's last Thursday.
* Samoa no longer observes DST.
* Rename Pacific/Enderbury to Pacific/Kanton.

http://mm.icann.org/pipermail/tz-announce/2021-October/000068.html
* Fiji will suspend observance of DST for the 2021/2022 season.

http://mm.icann.org/pipermail/tz-announce/2021-October/000069.html
* Palestine will fall back 10-29 (not 10-30)

Signed-off-by: Hannu Nyman <hannu.nyman@iki.fi>