Add additionalRequires from require to property#682

Draft

jens-auer wants to merge 3 commits intoasciidoctor:development-4.xfrom jens-auer:asciidoctorjs-fix-requires

Commits on Aug 16, 2023

Fix tests
Jens Auer
committed
Return immutable set
Jens Auer
committed
Fix unintended modifications
Jens Auer
committed