deps: update V8 to 12.9.202.18

PR-URL: #54536
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: Marco Ippolito <marcoippolito54@gmail.com>
Reviewed-By: Richard Lau <rlau@redhat.com>

Author: targos

Diff for: deps/v8/.editorconfig

@@ -1,9 +1,9 @@
-root = true
+# editorconfig.org
 
 [*]
 charset = utf-8
-indent_style = space
-indent_size = 2
 end_of_line = lf
+indent_size = 2
+indent_style = space
 insert_final_newline = true
 trim_trailing_whitespace = true

Diff for: deps/v8/.gitignore

@@ -88,8 +88,8 @@
 !/third_party/test262-harness
 !/third_party/v8
 !/third_party/wasm-api
-/tools/builtins-pgo/profiles/*.profile
-/tools/builtins-pgo/profiles/profiles_version
+/tools/builtins-pgo/profiles/*
+!/tools/builtins-pgo/profiles/.*
 /tools/clang
 /tools/gcmole/bootstrap
 /tools/gcmole/gcmole-tools