Add ioanap@ to password_manager OWNERS

Specifically, to the component and iOS, based on past areas of work.

Bug: none
Cq-Include-Trybots: luci.chromium.try:ios-simulator-full-configs;master.tryserver.chromium.mac:ios-simulator-cronet
Change-Id: I8c1254a9a19c956f2a5a18d06e6030c3c137fb54
Reviewed-on: https://chromium-review.googlesource.com/1107701Reviewed-by: Ioana Pandele <ioanap@chromium.org>
Commit-Queue: Vaclav Brozek <vabr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#568792}

components/password_manager/OWNERS

 dvadym@chromium.org
+ioanap@chromium.org
 kolos@chromium.org
 vabr@chromium.org
 vasilii@chromium.org

ios/chrome/browser/passwords/OWNERS

 dvadym@chromium.org
+ioanap@chromium.org
 vabr@chromium.org
 vasilii@chromium.org