deps: V8: cherry-pick 1a3ecc2483b2

Original commit message:

    Fix build issue, remove unneeded include uchar.h.

    Follow the conversation on:
    https://groups.google.com/g/v8-dev/c/nsbshwlmP3c.

    The `uchar.h` include is not necessary.
    It was added to get the definition of char16_t but that's an intrinsic
    type in C++.

    Change-Id: I0aaa11dba0be3ccad15b9e421f8bae71450d443b
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/4823404
    Reviewed-by: Omer Katz <omerkatz@chromium.org>
    Commit-Queue: Eric Leese <leese@chromium.org>
    Reviewed-by: Eric Leese <leese@chromium.org>
    Cr-Commit-Position: refs/heads/main@{#89787}

Refs: v8/v8@1a3ecc2
PR-URL: #49639
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
PR-URL: #58342
Reviewed-By: Marco Ippolito <marcoippolito54@gmail.com>

Author: targos

common.gypi

@@ -36,7 +36,7 @@
 
     # Reset this number to 0 on major V8 upgrades.
     # Increment by one for each non-official patch applied to deps/v8.
-    'v8_embedder_string': '-node.28',
+    'v8_embedder_string': '-node.29',
 
     ##### V8 defaults for Node.js #####
 

deps/v8/AUTHORS

@@ -188,6 +188,7 @@ Matt Hanselman <mjhanselman@gmail.com>
 Matthew Sporleder <msporleder@gmail.com>
 Maxim Mazurok <maxim@mazurok.com>
 Maxim Mossienko <maxim.mossienko@gmail.com>
+Meir Shpilraien <meir@redis.com>
 Michael Lutz <michi@icosahedron.de>
 Michael Mclaughlin <m8ch88l@gmail.com>
 Michael Smith <mike@w3.org>

deps/v8/src/inspector/string-16.h

@@ -6,7 +6,6 @@
 #define V8_INSPECTOR_STRING_16_H_
 
 #include <stdint.h>
-#include <uchar.h>
 
 #include <cctype>
 #include <climits>

deps/v8/src/inspector/v8-string-conversions.h

@@ -5,7 +5,6 @@
 #ifndef V8_INSPECTOR_V8_STRING_CONVERSIONS_H_
 #define V8_INSPECTOR_V8_STRING_CONVERSIONS_H_
 
-#include <uchar.h>
 
 #include <cstdint>
 #include <string>