fix(autoware_simple_object_merger): templatize simple object merger#10785

a-maumau wants to merge 4 commits intoautowarefoundation:mainautowarefoundation/autoware_universe:mainfrom

a-maumau:mau/feat/perception/simple_object_merger/templatizea-maumau/autoware.universe:mau/feat/perception/simple_object_merger/templatizeCopy head branch name to clipboard