updated contact data in creation_email.html.erb (#921)

Co-authored-by: Mathi <[email protected]>

app/views/alumni_mailer/creation_email.html.erb

@@ -28,13 +28,13 @@ Viele Grüße und bis bald,<br/>
 <br/>
 Ihr HPI Alumni-Office<br/>
 <br/>
-Stefanie Langer<br/>
-Alumni-Relations Managerin<br/>
+Marie-Kristin Kalz<br/>
+Leitung Alumni Relations<br/>
 Team HPI Connect <%= mail_to '[email protected]' %><br/>
 <%= link_to 'www.hpi.de/connect', 'http://hpi.de/connect' %><br/>
 Hasso-Plattner-Institut für Digital Engineering gGmbH<br/>
 Prof.-Dr.-Helmert-Str. 2-3<br/>
 D-14482 Potsdam<br/>
-Fon +49 (0)331 5509-3483 <br/>
-Fax +49 (0)331 5509-169 <br/>
+Fon +49 (0)331 5509-3455 <br/>
+
 www.hpi.de<br/>