Update index.qmd (#286)

Author: dburkhardt

events/2023-08_neurips/index.qmd

@@ -4,9 +4,9 @@ subtitle: Generalizing experimental interventions to unseen contexts, a NeurIPS
 description: |
   [See NeurIPS 2023 Competition Track](https://neurips.cc/Conferences/2023/CompetitionTrack){class="btn btn-primary" style="border: 1px solid white;"}
   [Sign up for updates](https://docs.google.com/forms/d/e/1FAIpQLSe90Oky4-1b0HbdLsp5Yqo9juCd2mq-NlGHU9NHRW1ECok1xQ/viewform){class="btn btn-primary" style="border: 1px solid white;"}
-date: "2023-08-15"
-start-date: "2023-08-15"
-end-date: "2023-11-15"
+date: "2023-08-30"
+start-date: "2023-08-30"
+end-date: "2023-11-28"
 title-block-banner-color: white
 title-block-banner: ../../images/heros/competition_dark.jpg
 page-layout: full