PGO collector script should run motionmark instead of motionmark1.1
<rdar://problem/113870737>
Pull request: https://github.com/WebKit/WebKit/pull/16851
Committed 267248@main (41950d4e80bc): <https://commits.webkit.org/267248@main> Reviewed commits have been landed. Closing PR #16851 and removing active labels.