website: Add archive disclaimer to gem5 Workshop ISCA '23

Change-Id: I98791b90958a4aa6f223fca5959326664cf1f551
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5-website/+/71800
Reviewed-by: Bobby Bruce <bbruce@ucdavis.edu>
Maintainer: Bobby Bruce <bbruce@ucdavis.edu>
Tested-by: Bobby Bruce <bbruce@ucdavis.edu>
diff --git a/_pages/events/isca-2023.md b/_pages/events/isca-2023.md
index a371f89..2733e63 100644
--- a/_pages/events/isca-2023.md
+++ b/_pages/events/isca-2023.md
@@ -3,9 +3,9 @@
 permalink: events/isca-2023
 ---
 
-We are happy to announce the gem5 Workshop, to be co-located with [ISCA 2023](https://iscaconf.org/isca2023/), in Orlando, Florida.
+**Note:** This page is kept for archival purposes.
 
-**We are in Canary 1** near the convention center entrance.
+We are happy to announce the gem5 Workshop, to be co-located with [ISCA 2023](https://iscaconf.org/isca2023/), in Orlando, Florida.
 
 The gem5 Workshop is be an opportunity for members of the gem5 community to give presentations on their contributions to gem5 and gem5-related research.
 This year's workshop will start with a 25 minute keynote by Dr. Bobby R. Bruce, titled "gem5 v22, v23 and the future", and will continue with presentations and discussion panels on gem5 topics.