Update attendance

Author: wesbland

_data/meetings/2025/01/attendance.csv

@@ -34,3 +34,4 @@
 "Martin Schreiber","Université Grenoble Alpes","0","1"
 "Tim Niklas Uhl","Karlsruhe Institute of Technology (KIT)","0","1"
 "Victor Eijkhout","The Texas Advanced Computing Center","0","1"
+"Marc-André Hermanns","RWTH Aachen University","0","1"