meta: consolidate AUTHORS entries for samshull

PR-URL: #39705
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

.mailmap

@@ -349,6 +349,7 @@ Sam Mikes <smikes@cubane.com>
 Sam P Gallagher-Bishop <samgallagherb@gmail.com> <SPGB@users.noreply.github.com>
 Sam Roberts <vieuxtech@gmail.com> <sam@strongloop.com>
 Sam Shull <brickysam26@gmail.com> <brickysam26@samuel-shulls-computer.local>
+Sam Shull <brickysam26@gmail.com> <sam+github@samshull.com>
 Sam Shull <brickysam26@gmail.com> <sshull@squaremouth.com>
 Samuel Attard <samuel.r.attard@gmail.com> <sattard@slack-corp.com>
 Samantha Sample <ssample812@gmail.com> <=>

AUTHORS

@@ -1271,7 +1271,6 @@ amrios <amrios@us.ibm.com>
 Chris Henney <CHenney@walmartlabs.com>
 Yojan Shrestha <sickgrin@gmail.com>
 Rodrigo Palma <rpalma@mx1.ibm.com>
-Sam Shull <sam+github@samshull.com>
 Michael-Bryant Choa <mbchoa@gmail.com>
 CodeVana <codevaana@gmail.com>
 Daniel Sims <danielsims@quickenloans.com>