Update ICU (trusted)

Rolling third_party/icu: https://chromium.googlesource.com/chromium/deps/icu/+log/98f2494..43953f5

Fix a crash in locid.cpp. (David Yeung)
https://chromium.googlesource.com/chromium/deps/icu/+/43953f5

Roll created at https://cr-buildbucket.appspot.com/build/8745456048320963249

Change-Id: I20b1d8ed887a5a73365e2f5a79f3c5c1083993f0
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/5618196
Commit-Queue: v8-ci-autoroll-builder <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>
Bot-Commit: v8-ci-autoroll-builder <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#94353}

DEPS

@@ -282,7 +282,7 @@ deps = {
   'third_party/googletest/src':
     Var('chromium_url') + '/external/github.com/google/googletest.git' + '@' + 'a7f443b80b105f940225332ed3c31f2790092f47',
   'third_party/icu':
-    Var('chromium_url') + '/chromium/deps/icu.git' + '@' + '98f2494518c2dbb9c488e83e507b070ea5910e95',
+    Var('chromium_url') + '/chromium/deps/icu.git' + '@' + '43953f57b037778a1b8005564afabe214834f7bd',
   'third_party/instrumented_libs': {
     'url': Var('chromium_url') + '/chromium/third_party/instrumented_libraries.git' + '@' + 'bb6dbcf2df7a9beb34c3773ef4df161800e3aed9',
     'condition': 'checkout_instrumented_libraries',