Publish Scapegoat report. (#5660)
Publish Scapegoat report. (#5660)

Summary:
This should allow easier investigation of failed tests. Sometimes
scapegoat failures are hidden.
meln1k/marathon,guenter/marathon,janisz/marathon,gsantovena/marathon,guenter/marathon,meln1k/marathon,janisz/marathon,meln1k/marathon,janisz/marathon,meln1k/marathon,gsantovena/marathon,mesosphere/marathon,mesosphere/marathon,janisz/marathon,gsantovena/marathon,mesosphere/marathon,mesosphere/marathon,guenter/marathon,meln1k/marathon,janisz/marathon,guenter/marathon,guenter/marathon,gsantovena/marathon,gsantovena/marathon,mesosphere/marathon