[M112] [intl] Point ICU to M112 branch to pick up en-CA fix

Revert en-CA date format pattern to ICU 71-1 y-MM-dd pattern

Test cases, in javascript

d8> (new Date().toLocaleString('en-CA', {hour12: false })).indexOf("2023-02-24") == 0
true
d8> (new Date().toLocaleString('en-CA', {dateStyle: 'short'})) == "2023-02-24"
true
d8> (new Date().toLocaleString('en-CA')).indexOf("2023-02-24") == 0
true

upstream CLDR bug https://unicode-org.atlassian.net/browse/CLDR-1639

Bug: chromium:1418727
Change-Id: I78694b74d4e98c45530f39050dc1cccff92b6248
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4292357
Reviewed-by: Jungshik Shin <jshin@chromium.org>
Commit-Queue: Frank Tang <ftang@chromium.org>
Cr-Commit-Position: refs/branch-heads/5615@{#48}
Cr-Branched-From: 9c6408e-refs/heads/main@{#1109224}

DEPS

@@ -1372,7 +1372,7 @@ deps = {
     Var('chromium_git') + '/chromium/deps/hunspell_dictionaries.git' + '@' + '41cdffd71c9948f63c7ad36e1fb0ff519aa7a37e',
 
   'src/third_party/icu':
-    Var('chromium_git') + '/chromium/deps/icu.git' + '@' + 'c6b68522318204f795a8f04caebf6c0beb679cc4',
+    Var('chromium_git') + '/chromium/deps/icu.git' + '@' + 'refs/heads/chromium/m112',
 
   'src/third_party/icu4j': {
       'packages': [