[owners] Sync topaz OWNERS with //OWNERS

There have been several additions and removals.

Change-Id: Id86e175572a135c18dc4f02d0e380db53ee2d6bc
Reviewed-on: https://fuchsia-review.googlesource.com/c/topaz/+/572243
Reviewed-by: Abdulla Kamar <abdulla@google.com>
Commit-Queue: Brett Wilson <brettw@google.com>

OWNERS

diff --git a/OWNERS b/OWNERS
index 1c083bd..8bea5cc 100644
--- a/OWNERS
+++ b/OWNERS
@@ -4,19 +4,21 @@
 abarth@google.com
 abdulla@google.com
 bryanhenry@google.com
+digit@google.com
 ianloic@google.com
 jamesr@google.com
 jeremymanson@google.com
 joshuaseaton@google.com
-kulakowski@google.com
 lindkvist@google.com
+maruel@google.com
 mcgrathr@google.com
 mesch@google.com
 pascallouis@google.com
 phosek@google.com
 qsr@google.com
 raggi@google.com
-teisenbe@google.com
+shayba@google.com
+surajmalhotra@google.com
 thatguy@google.com
 tmandry@google.com