update helpers for S26 workshops

Author: josenino95

content/workshop/2026-04-07-ucsb-git.md

@@ -7,7 +7,7 @@ human_date: "April 7 and 9"
 year: 2026
 location: UCSB Library, Room 2509
 instructors: Seth Erickson, Jon Jablonski, Jairo Melo-Flórez
-helpers: Jay Chi, Juliet Cohen
+helpers: Caitlin Nordheim-Maestas, Juliet Cohen
 pre_workshop_survey: "https://ucsb.co1.qualtrics.com/jfe/form/SV_bJeIoxjp1A9Xx3M?slug=2026-04-07-ucsb-git"
 post_workshop_survey: "https://ucsb.co1.qualtrics.com/jfe/form/SV_0lD2XHnezknmSr4?slug=2026-04-07-ucsb-git"
 lesson_url: "https://carpentry.library.ucsb.edu/2026-04-07-git-novice/"