deps: update icu to 73.2

PR-URL: #48502
Reviewed-By: Debadree Chatterjee <debadree333@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Richard Lau <rlau@redhat.com>

Author: nodejs-github-bot

deps/icu-small/LICENSE

@@ -1,11 +1,11 @@
-# © 2020 and later: Unicode, Inc. and others.
-# License & terms of use: http://www.unicode.org/copyright.html
-
----
-Language: Cpp
-BasedOnStyle: LLVM
-IndentWidth: 4
-ColumnLimit: 105
-AllowShortBlocksOnASingleLine: false 
-AllowShortIfStatementsOnASingleLine: true 
-...
+# © 2020 and later: Unicode, Inc. and others.
+# License & terms of use: http://www.unicode.org/copyright.html
+
+---
+Language: Cpp
+BasedOnStyle: LLVM
+IndentWidth: 4
+ColumnLimit: 105
+AllowShortBlocksOnASingleLine: false 
+AllowShortIfStatementsOnASingleLine: true 
+...