date: add ICU support for day/months names

Fixes: https://bugs.launchpad.net/ubuntu/+source/rust-coreutils/+bug/2130859

Author: sylvestre

Cargo.lock

@@ -329,7 +329,9 @@ gcd = "2.3"
 glob = "0.3.1"
 half = "2.4.1"
 hostname = "0.4"
+icu_calendar = "2.0.0"
 icu_collator = "2.0.0"
+icu_datetime = "2.0.0"
 icu_decimal = "2.0.0"
 icu_locale = "2.0.0"
 icu_provider = "2.0.0"