CSCS 2024: update CfP deadline.

Deadline moved to 4th of July.

Author: dominikbayerl

_data/conferences.yml

@@ -1001,7 +1001,7 @@
   description: Cyber Security in Cars Workshop
   year: 2024
   link: https://acm-cscs.org
-  deadline: ["2024-06-20 23:59"]
+  deadline: ["2024-07-04 23:59"]
   comment: Co-located with ACM CCS 2024
   date: October 18
   place: Salt Lake City, USA