[CT] Add westont@ to admin list
[CT] Add westont@ to admin list

Change-Id: I7bc55a3e0646374c475eb2db8d0edfb873e6b085
Reviewed-on: https://skia-review.googlesource.com/c/buildbot/+/266839
Commit-Queue: Ravi Mistry <9fa2e7438b8cb730f96b74865492597170561628@google.com>
Reviewed-by: Weston Tracey <e7e27cb74e46abd7b999223aa4f27901ab7e58c6@google.com>

google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot