[webkit-changes] [WebKit/WebKit] 174935: DetermineLabelOwner fails when owner not found

[Brianna Fan]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 174935765a761f201abe7fb795b0fe66efb96de6
      https://github.com/WebKit/WebKit/commit/174935765a761f201abe7fb795b0fe66efb96de6
  Author: Brianna <brianna.fan at gmail.com>
  Date:   2023-09-14 (Thu, 14 Sep 2023)

  Changed paths:
    M Tools/CISupport/ews-build/steps.py

  Log Message:
  -----------
  DetermineLabelOwner fails when owner not found
https://bugs.webkit.org/show_bug.cgi?id=261581
rdar://115523662

Reviewed by Jonathan Bedard.

Adds handling for when owner is not found.

Canonical link: https://commits.webkit.org/268007@main