doc,lib,test: rename node-report to report

This commit completes the renaming of node-report to report
in order to better differentiate core's reporting from the
node-report npm module.

PR-URL: https://github.com/nodejs/node/pull/26371


Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Minwoo Jung <minwoo@nodesource.com>
Reviewed-By: James M Snell <jasnell@gmail.com>