Welcome to the team, Enrico! (#3)

And remove the github.com names at the same time.

INTERNAL

Co-authored-by: Christopher Creutzig <89011131+ccreutzi@users.noreply.github.com>

Author: ccreutzi

.github/CODEOWNERS

@@ -1,4 +1,4 @@
 # Code owners, to get auto-filled reviewer lists
 
 # To start with, we just assume everyone in the core team is included on all reviews
-* @adulai @ccreutzi @debymf @MiriamScharnke @vpapanasta @dferreir @mscharnk @vpapanas
+* @adulai @ccreutzi @dferreir @mscharnk @vpapanas @emanuzzi