chore: update minimum Node.js requirement from 18 to 20#6

dielduarte wants to merge 1 commit intomaindielduarte/janusdoc:mainfrom

maestrio/10320b0e-fb22-4321-986a-7898fe4d4d1cdielduarte/janusdoc:maestrio/10320b0e-fb22-4321-986a-7898fe4d4d1cCopy head branch name to clipboard