Improve update action
Improve update action

Handle line breaks correctly in commit message and PR title and have the
commit be authored by the github bot.

thecoolestguy/ilios,stopfstedt/ilios,dartajax/ilios,ilios/ilios,thecoolestguy/ilios,Trott/ilios,dartajax/ilios,ilios/ilios,stopfstedt/ilios,Trott/ilios