(v6.x backport) readline,test: update references to archived repository#19120

tniessen wants to merge 2 commits intonodejs:v6.x-stagingnodejs/node:v6.x-stagingfrom

tniessen:backport-17924-to-v6.xtniessen/node:backport-17924-to-v6.xCopy head branch name to clipboard