Add Nicholas Bishop to .mailmap

Author: nicholasbishop

.mailmap

@@ -402,6 +402,8 @@ Nathaniel Herman <nherman@post.harvard.edu> Nathaniel Herman <nherman@college.ha
 Neil Pankey <npankey@gmail.com> <neil@wire.im>
 Ngo Iok Ui (Wu Yu Wei) <wusyong9104@gmail.com>
 Nicholas Baron <nicholas.baron.ten@gmail.com>
+Nicholas Bishop <nbishop@nbishop.net> <nicholasbishop@gmail.com>
+Nicholas Bishop <nbishop@nbishop.net> <nicholasbishop@google.com>
 Nicholas Nethercote <n.nethercote@gmail.com> <nnethercote@apple.com>
 Nicholas Nethercote <n.nethercote@gmail.com> <nnethercote@mozilla.com>
 Nick Platt <platt.nicholas@gmail.com>