meta: move maclover7 to Emeritus

In email, maclover7 confirmed that are fine to move to emeritus status.

PR-URL: https://github.com/nodejs/node/pull/31994


Reviewed-By: Myles Borins <myles.borins@gmail.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Matheus Marchini <mat@mmarchini.me>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>