Add Darryl Pogue to contributors.json. Existing commits: https://github.com/WebKit/WebKit/commits?author=dpogue
Pull request: https://github.com/WebKit/WebKit/pull/28934
Committed 279142@main (c29a713c5f57): <https://commits.webkit.org/279142@main> Reviewed commits have been landed. Closing PR #28934 and removing active labels.
<rdar://problem/128554903>