@koa/router 15.6.0

on Node.js NPM

• ci: drop node v20 from ci pipeline b5f9b6c
• chore: update *.md docs files d586f45
• chore: add more tests + bump deps 7148fd1
• fix: hide internal rest param from prefixed middleware 99a6ae6

v15.5.0...v15.6.0