Update attendance

Author: wesbland

_data/meetings/2025/09/attendance.csv

@@ -33,3 +33,7 @@
 "Derek Schafer","University of New Mexico","1","1"
 "Jiakun Yan","University of Illinois Urbana-Champaign","0","1"
 "Christoph Niethammer","HLRS, University of Stuttgart","0","1"
+"Joachim Jenke","RWTH Aachen","1","1"
+"Amit Ruhela","Texas Advanced Computing Center","0","1"
+"Benson Muite","Kichakato Kizito","1","1"
+"Francois-Henry Rouet","Synopsys","1","1"