[superproject] Roll chromium/deps/icu@default [ICU 73-1] Update main …

…to 73-1

Update Diary https://docs.google.com/document/d/1_c9mnV7rkUcBCvy7jJGSWm0-48H8fy74zObtzjZ3fFk/edit?usp=sharing

Release Note
ICU 73 https://icu.unicode.org/download/73
CLDR 43 https://cldr.unicode.org/index/downloads/cldr-43

Original-Bug: 1434138
Original-Reviewed-on: https://chromium-review.googlesource.com/c/chromium/deps/icu/+/4615291
Original-Revision: e8c3bc9ea97d4423ad0515e5f1c064f486dae8b1
GitOrigin-RevId: aaf08332c49486188492b842d1de10cea6a8a9b9
Roller-URL: https://ci.chromium.org/b/8778272858797553489
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: If43f0b0e88d0e52c23c1db745519716cd948166a
Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/871360