MNT: Update mailmap

Author: effigies

.mailmap

@@ -10,6 +10,7 @@ Alexander Schaefer <alexschaefer83@gmail.com> <aschaefer@melisse.cbs.mpg.de>
 Alexander Schaefer <alexschaefer83@gmail.com> <aschaefer@aschaefer-U36SD.(none)>
 Alexandre M. Savio <alexsavio@gmail.com>
 Alexandre M. Savio <alexsavio@gmail.com> <alexsavio@users.noreply.github.com>
+Andrea Dell'Orco <orco@paranoici.org>
 Andrew Floren <andrewfloren@gmail.com>
 Andrey Chetverikov <stop.psy@gmail.com>
 Andrey Chetverikov <stop.psy@gmail.com> <achetverikov@users.noreply.github.com>
@@ -144,6 +145,7 @@ Michael Waskom <michael.l.waskom@gmail.com> <mwaskom@stanford.edu>
 Miguel Molina-Romero <miguel.molina.romero@gmail.com>
 Murat Bilgel <bilgelm@gmail.com> <murat.bilgel@nih.gov>
 Nat Lee <vip3268@gmail.com>
+Ole Numssen <numssen@cbs.mpg.de>
 Oliver Contier <o.contier@gmail.com> <oliver.contier@ovgu.de>
 Olivia Stanley <oliviawstanley@gmail.com>
 Oscar Esteban <code@oscaresteban.es>