website: Updates events page with workshop info

Change-Id: Ifbc4aee5aa1042099b25927912c6b0702ed256d6
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5-website/+/68738
Maintainer: Bobby Bruce <bbruce@ucdavis.edu>
Tested-by: Bobby Bruce <bbruce@ucdavis.edu>
Reviewed-by: Bobby Bruce <bbruce@ucdavis.edu>
diff --git a/_pages/events/index.md b/_pages/events/index.md
index 3080d92..472362c 100644
--- a/_pages/events/index.md
+++ b/_pages/events/index.md
@@ -16,6 +16,15 @@
 The slides and handouts are the same material except that the handouts
 are formatted with two slides per page.
 
+## ISCA 2023: The gem5 Workshop
+
+[More information can be found on the event's page](/events/isca-2023).
+
+We will be running a gem5 workshop on **June 17th 2023**, co-located at ISCA 2023 in Orlando, Florida.
+
+This will be an all-day event and give members of the gem5 community opportunity to present and discuss their gem5-related contributions, research, and thoughts.
+Our goal with this workshop is to provide a space for free-flowing discussions and opportunities for networking.
+
 ## HPCA 2023: The gem5 Tutorial
 
 [More information can be found on the event's page](/events/hpca-2023).