Avoid mutable ChildJobs enumeration in PSTaskJob#27510

KirtiRamchandani wants to merge 1 commit into

PowerShell:masterPowerShell/PowerShell:masterfrom

KirtiRamchandani:codex/fix-pstaskjob-childjobs-crashKirtiRamchandani/Powershell:codex/fix-pstaskjob-childjobs-crashCopy head branch name to clipboard