lib: replace --diagnostic-report-* with --report-*

In the code base the word `report` is almost only used to refer to
the diagnostic report when it's a noun, and it's programmable
interface `process.report()` it not prefixed, so `report` should be
unambiguous enough to use without `diagnostic`.

PR-URL: https://github.com/nodejs/node/pull/27312


Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>