meta: add v8 team

PR-URL: #38566
Reviewed-By: Ujjwal Sharma <[email protected]>
Reviewed-By: Richard Lau <[email protected]>
Reviewed-By: Anna Henningsen <[email protected]>
Reviewed-By: Colin Ihrig <[email protected]>
Reviewed-By: Gireesh Punathil <[email protected]>
Reviewed-By: James M Snell <[email protected]>

Author: gengjiawen

.github/CODEOWNERS

@@ -115,3 +115,7 @@
 /lib/internal/bootstrap/* @nodejs/startup
 /tools/code_cache/* @nodejs/startup
 /tools/snapshot/* @nodejs/startup
+
+# V8
+/deps/v8/* @nodejs/v8-update
+/tools/v8_gypfiles/* @nodejs/v8-update