Multi-Branch priority sorter

List of issues
KeySummaryCreatedUpdated
#7Feature: handle pull requests origin
#6Fix: don't skip all other (next) priority strategy in list
#5Skips all other (next) priority strategy in list
#4Bump workflow-multibranch from 2.18 to 707.v71c3f0a_6ccdb_
#3Fix typo
#2Documentation
#1Error 500 from advanced-build-queue