require the version used to mint the dist to build the dist
pull out indirect prereqs into a separate section for clarity
bump prereq of github plugin to avoid smartmatch deprecation warnings on 5.17.*
bump prereq version of Test::Spelling to get my !userdict fix (RT#84869)
bump prereq for Test::Vars to avoid smartmatch deprecation warnings on 5.17.*
inject developer prereqs for modules used by release tests, for plugins that do not do this themselves