Correct image file extension for Nayeon Kim

Author: SofiaKirsanova

_data/people.yml

@@ -46,7 +46,7 @@ phd:
     profile: UMN CS&E
     link: https://ginnyxxxxxxx.github.io/Ginny.github.io/
   - name: Nayeon Kim
-    image: images/people/nayeon_kim.jpg
+    image: images/people/nayeon_kim.JPG
     profile: UMN CS&E
     link: https://ny2kim.github.io