macOS Chrome 120 launch probe

Workflow runs for macOS Chrome 120 launch probe

• chore(ci): detect surviving processes instead of exit codes

  completed successfully:
  macOS Chrome 120 launch probe#3:Commitd47a12epushedbypHo9UBenaA
  probe/macos-chrome120

  Oct 5, 20261m 0s
  More actions for workflow run 3

• chore(ci): probe macOS 14 only

  cancelled:
  macOS Chrome 120 launch probe#2:Commit35e8249pushedbypHo9UBenaA
  probe/macos-chrome120

  Oct 5, 202610m 24s
  More actions for workflow run 2

• chore(ci): trigger the probe on its own branch

  cancelled:
  macOS Chrome 120 launch probe#1:Commitefd49aepushedbypHo9UBenaA
  probe/macos-chrome120

  Oct 5, 202610m 22s
  More actions for workflow run 1