Add cole to owners, as the rust expert who will likely be giving the +2

Change-Id: I41b5e506219425db61f2c2407d8907b76a6a6964
Reviewed-on: https://gn-review.googlesource.com/c/gn/+/23800
Reviewed-by: Philipp Wollermann <philwo@google.com>
Reviewed-by: Matt Stark <msta@google.com>
Commit-Queue: Matt Stark <msta@google.com>

src/gn/starlark/OWNERS

diff --git a/src/gn/starlark/OWNERS b/src/gn/starlark/OWNERS
index a00d0ad..ce61395 100644
--- a/src/gn/starlark/OWNERS
+++ b/src/gn/starlark/OWNERS
@@ -1,5 +1,6 @@
 # This directory should be owned by experts in bazel,
 # in addition to the regular GN owners.
+colefaust@google.com
 msta@google.com
 philwo@google.com
-richardwa@google.com
\ No newline at end of file
+richardwa@google.com