[owners] Increase list of owners

[Insert Spider-Man quote here]

Change-Id: I64ea011d92b5bc535a4c19c8326782ad1512708b
Reviewed-on: https://chrome-internal-review.googlesource.com/c/v8/fuzzilli/+/8690557
Commit-Queue: Michael Achenbach <machenbach@google.com>
Reviewed-by: Michael Achenbach <machenbach@google.com>

Author: Liedtke

OWNERS

@@ -1,5 +1,9 @@
 cffsmith@google.com
+machenbach@google.com
+mdanylo@google.com
 mliedtke@google.com
+pawkra@google.com
 saelo@google.com
+tacet@google.com
 
 per-file WHITESPACE=*