- widen lines in process dump files
- increase process dump frequency to once every 2 minutes (from 5 minutes)
- simplify process dump filenames
- no need to keep files from previous ./build.ps1 invocations around
- by definition, job isn't hung if it can move to next build step
- save previous process dump files
- should help if cancellation kills processes before final process dump runs
nits:
- move from deprecated `Get-WmiObject` to `Get-CimInstance`
- trim trailing whitespace
922baf932e