doc: update username and email

PR-URL: https://github.com/nodejs/node/pull/19338
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Yosuke Furukawa <yosuke.furukawa@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Myles Borins <myles.borins@gmail.com>
Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: James M Snell <jasnell@gmail.com>

README.md

@@ -295,8 +295,6 @@ For more information about the governance of the Node.js project, see
 
 ### Collaborators
 
-* [abouthiroppy](https://github.com/abouthiroppy) -
-**Yuta Hiroto** <hello@about-hiroppy.com> (he/him)
 * [addaleax](https://github.com/addaleax) -
 **Anna Henningsen** <anna@addaleax.net> (she/her)
 * [ak239](https://github.com/ak239) -
@@ -371,6 +369,8 @@ For more information about the governance of the Node.js project, see
 **Guy Bedford** <guybedford@gmail.com> (he/him)
 * [hashseed](https://github.com/hashseed) -
 **Yang Guo** <yangguo@chromium.org> (he/him)
+* [hiroppy](https://github.com/hiroppy) -
+**Yuta Hiroto** <hello@hiroppy.me> (he/him)
 * [iarna](https://github.com/iarna) -
 **Rebecca Turner** <me@re-becca.org>
 * [imran-iq](https://github.com/imran-iq) -