Merge branch 'authors' into 'master'

Update authors in .cff-file.

Closes #3304

See merge request ogs/ogs!4765

.mailmap

@@ -2,6 +2,7 @@ Alireza Hassanzadegan <[email protected]> AlirezaBGE <a.hassanzadegan@gm
 Aqeel Chaudhry <[email protected]> aachaudhry <[email protected]>
 Carolin Helbig <[email protected]>
 Chaofan Chen <[email protected]>
+Chaofan Chen <[email protected]> <[email protected]>
 Christian Silbermann <[email protected]> cbsilver <[email protected]>
 Christoph Lehmann <[email protected]> <[email protected]>
 Dmitri Naumov <[email protected]> <[email protected]>
@@ -27,29 +28,33 @@ Jörg Buchwald <[email protected]> joerg <joerg@debian>
 Jörg Buchwald <[email protected]> joergbuchwald <[email protected]>
 Jörg Buchwald <[email protected]> joergbuchwald <[email protected]>
 Karsten Rink <[email protected]>
-Keita Yoshioka <[email protected]> KeitaYoshioka <[email protected]>
+Keita Yoshioka <[email protected]>
+Keita Yoshioka <[email protected]> <[email protected]>
 Lars Bilke <[email protected]> <[email protected]> <[email protected]>
 Lars Bilke <[email protected]> Lars Bilke <[email protected]>
 Lars Bilke <[email protected]> Lars Bilke <[email protected]>
 Marc Walther <[email protected]>
 Mostafa Mollaali <[email protected]> MostafaMollaali <[email protected]>
 Myles English <[email protected]>
-Norbert Grunwald <[email protected]> <[email protected]> <[email protected]>
-Norihiro Watanabe <[email protected]> <[email protected]> <[email protected]>
+Norbert Grunwald <[email protected]> <[email protected]>
+Norbert Grunwald <[email protected]> <[email protected]>
+Norihiro Watanabe <[email protected]> <[email protected]>
+Norihiro Watanabe <[email protected]> <[email protected]>
 OGS Bot[bot] <no-email> git@dev2 <[email protected]>
 OGS Bot[bot] <no-email> GitLab Runner <[email protected]>
 OGS Bot[bot] <no-email> OGS Bot <[email protected]>
 OGS Bot[bot] <no-email> OGS Bot <[email protected]>
 OGS Bot[bot] <no-email> ogsbot <[email protected]>
-Renchao Lu <[email protected]> <[email protected]> <[email protected]>
+Renchao Lu <[email protected]> <[email protected]>
+Renchao Lu <[email protected]> <[email protected]>
 Renchao Lu <[email protected]> renchao.lu <[email protected]>
 Reza Taher Dang Koo <[email protected]> rezataherdangkoo <[email protected]>
 Shuang Chen <[email protected]> <[email protected]>
 Shuang Chen <[email protected]> Shuang Chen <[email protected]>
 Tengfei Deng <[email protected]> tengfeideng <[email protected]>
 Tengfei Deng <[email protected]> tengfeideng <[email protected]>
 Thomas Fischer <[email protected]> <[email protected]> <[email protected]>
-Thomas Fischer <[email protected]>
+Thomas Fischer <[email protected]> <[email protected]>
 Thomas Kalbacher <[email protected]> Thomas-TK <[email protected]>
 Thomas Nagel <[email protected]> <[email protected]>
 Thomas Nagel <[email protected]> nagelt <[email protected]>
@@ -85,3 +90,5 @@ Julian Heinze <[email protected]>
 Tao You <[email protected]>
 Matthes Kantzenbach <[email protected]>
 Feliks K. Kiszkurno <[email protected]>
+Philipp Selzer <[email protected]>
+Philipp Selzer <[email protected]> <[email protected]>