Roll third_party/icu/ 13cfcd587..f22239617 (3 commits)

https://chromium.googlesource.com/chromium/deps/icu.git/+log/13cfcd5874f6..f2223961702f

Created with:
  roll-dep third_party/icu

Change-Id: I4c3b3501d1a9bacf02a507c8c6e62ab6dc6c9f47
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/69373
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
diff --git a/DEPS b/DEPS
index f1d47ca..f9018e6 100644
--- a/DEPS
+++ b/DEPS
@@ -59,7 +59,7 @@
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling icu
   # and whatever else without interference from each other.
-  'icu_revision': '13cfcd5874f6c39c34ec57fa5295e7910ae90b8d',
+  'icu_revision': 'f2223961702f00a8833874b0560d615a2cc42738',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling instrumented_lib
   # and whatever else without interference from each other.