MAINT: update mailmap pre release

Author: bsipocz

.mailmap

@@ -12,7 +12,9 @@ Matteo Bachetti        <matteo@matteobachetti.it>
 Matteo Bachetti         <matteo@matteobachetti.it> <matteo.bachetti@irap.omp.eu>
 Michael Seifert        <michaelseifert04@yahoo.de>
 Pey Lian Lim           <lim@stsci.edu> <2090236+pllim@users.noreply.github.com>
+Philipp A.             <flying-sheep@web.de>
 Pratik Patel           <pratikpatel15133@gmail.com>
+Sebastian Berg         <sebastianb@nvidia.com> <sebastian@sipsolutions.net>
 Simon Conseil          <contact@saimon.org> <s.conseil@ip2i.in2p3.fr>
 Simon Conseil          <contact@saimon.org> <sconseil@gemini.edu>
 Tinuade Adeleke        <summittinuade@gmail.com>