Add more owners for ic

Change-Id: I086c23a1aea8a3f8ff9d7e79ea73a69461366a8d
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1743968
Auto-Submit: Mythri Alle <mythria@chromium.org>
Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Commit-Queue: Toon Verwaest <verwaest@chromium.org>
Cr-Commit-Position: refs/heads/master@{#63142}

src/ic/OWNERS

@@ -3,5 +3,6 @@ ishell@chromium.org
 jkummerow@chromium.org
 mvstanton@chromium.org
 verwaest@chromium.org
+mythria@chromium.org
 
 # COMPONENT: Blink>JavaScript>Runtime