deps: update V8 to 6.8.275.24

Backport-PR-URL: #21668
PR-URL: #21079
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Yang Guo <yangguo@chromium.org>

deps/v8/.gitattributes

@@ -0,0 +1,2 @@
+# Automatically normalize line endings (to LF) for all text-based files.
+* text=auto

deps/v8/AUTHORS

@@ -32,6 +32,7 @@ Facebook, Inc. <*@fb.com>
 Facebook, Inc. <*@oculus.com>
 Vewd Software AS <*@vewd.com>
 Groupon <*@groupon.com>
+Cloudflare, Inc. <*@cloudflare.com>
 
 Aaron Bieber <deftly@gmail.com>
 Abdulla Kamar <abdulla.kamar@gmail.com>
@@ -41,6 +42,7 @@ Alexander Botero-Lowry <alexbl@FreeBSD.org>
 Alexander Karpinsky <homm86@gmail.com>
 Alexandre Vassalotti <avassalotti@gmail.com>
 Alexis Campailla <alexis@janeasystems.com>
+Amos Lim <eui-sang.lim@samsung.com>
 Andreas Anyuru <andreas.anyuru@gmail.com>
 Andrew Paprocki <andrew@ishiboo.com>
 Andrei Kashcha <anvaka@gmail.com>
@@ -61,6 +63,7 @@ Daniel Andersson <kodandersson@gmail.com>
 Daniel Bevenius <daniel.bevenius@gmail.com>
 Daniel James <dnljms@gmail.com>
 Deon Dior <diaoyuanjie@gmail.com>
+Dominic Farolini <domfarolino@gmail.com>
 Douglas Crosher <dtc-v8@scieneer.com>
 Dusan Milosavljevic <dusan.m.milosavljevic@gmail.com>
 Erich Ocean <erich.ocean@me.com>
@@ -75,14 +78,14 @@ Gwang Yoon Hwang <ryumiel@company100.net>
 Henrique Ferreiro <henrique.ferreiro@gmail.com>
 Hirofumi Mako <mkhrfm@gmail.com>
 Honggyu Kim <honggyu.kp@gmail.com>
+Ingvar Stepanyan <me@rreverser.com>
 Ioseb Dzmanashvili <ioseb.dzmanashvili@gmail.com>
 Isiah Meadows <impinball@gmail.com>
 Jaime Bernardo <jaime@janeasystems.com>
 Jan de Mooij <jandemooij@gmail.com>
 Jan Krems <jan.krems@gmail.com>
 Jay Freeman <saurik@saurik.com>
 James Pike <g00gle@chilon.net>
-James M Snell <jasnell@gmail.com>
 Jianghua Yang <jianghua.yjh@alibaba-inc.com>
 Joel Stanley <joel@jms.id.au>
 Johan Bergström <johan@bergstroem.nu>
@@ -126,8 +129,10 @@ Paul Lind <plind44@gmail.com>
 Qingyan Li <qingyan.liqy@alibaba-inc.com>
 Qiuyi Zhang <qiuyi.zqy@alibaba-inc.com>
 Rafal Krypa <rafal@krypa.net>
+Ray Glover <ray@rayglover.net>
 Refael Ackermann <refack@gmail.com>
 Rene Rebe <rene@exactcode.de>
+Rick Waldron <waldron.rick@gmail.com>
 Rob Wu <rob@robwu.nl>
 Robert Mustacchi <rm@fingolfin.org>
 Robert Nagy <robert.nagy@gmail.com>