Bump demo versions to 4.9.3 (#1763)

Co-authored-by: ksurabhi91 <noreply@github.com>

Author: rhacs-bot

chart/infra-server/Chart.yaml

@@ -7,7 +7,7 @@ home: https://github.com/stackrox/infra
 sources:
   - https://github.com/stackrox/infra
 annotations:
-  acsDemoVersion: 4.9.2
+  acsDemoVersion: 4.9.3
   automationFlavorsVersion: 0.12.10
   ocpCredentialsMode: Passthrough
 dependencies: