doc: move Rod Vagg to TSC emeritus

PR-URL: https://github.com/nodejs/node/pull/27633
Refs: https://github.com/nodejs/create-node-meeting-artifacts/pull/63
Refs: https://github.com/nodejs/email/pull/142


Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Сковорода Никита Андреевич <chalkerx@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>