iso-codes: upgrade 4.11.0 -> 4.12.0

Changelog:
=========
- ISO 3166-1: Update name for TR. Fixes #38
- Translation updates for ISO 3166-1
- Translation updates for ISO 3166-2. Closes: #1020633
- Translation updates for ISO 3166-3
- Translation updates for ISO 639-2
- Translation updates for ISO 639-3
- Translation updates for ISO 639-5
- Translation updates for ISO 4217
- Translation updates for ISO 15924

Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
(cherry picked from commit 99917b4b)
Signed-off-by: Steve Sakoman <steve@sakoman.com>