Update Sumeet Motwani's profile: change photo format from PNG to JPG

Author: runjiali-rl

tvg_db/_dphils/sumeet.md

@@ -5,6 +5,6 @@ email: sumeet.motwani@eng.ox.ac.uk
 website: https://sumeetmotwani.com/
 note: NULL
 category: Graduate Students
-photo: /images/people/Sumeet.png
+photo: /images/people/Sumeet.jpg
 year: 2024
 ---