[ews] validate-change fails with exception sometimes. e.g.: https://ews-build.webkit.org/#/builders/14/builds/5748
This is a regression from https://commits.webkit.org/263640@main
Pull request: https://github.com/WebKit/WebKit/pull/13445
Committed 263678@main (37f8d2f0eb10): <https://commits.webkit.org/263678@main> Reviewed commits have been landed. Closing PR #13445 and removing active labels.
<rdar://problem/108898483>