Ignore deprecation warnings for _UIApplicationLoadWebKit() in DumpRenderTree.
<rdar://problem/101972562>
Pull request: https://github.com/WebKit/WebKit/pull/6146
Committed 256345@main (ba90c76fdd40): <https://commits.webkit.org/256345@main> Reviewed commits have been landed. Closing PR #6146 and removing active labels.