Update uPortal version to v5.17.1

Update uPortal to the latest version as of Apr-21-2025

Author: bjagg

gradle.properties

@@ -19,7 +19,7 @@ resourceServerVersion=1.0.48
 # Includes newer front-end dependencies and web components
 resourceServerWebjarVersion=1.5.0
 simpleContentPortletVersion=3.4.0
-uPortalVersion=5.17.0
+uPortalVersion=5.17.1
 webProxyPortletVersion=2.4.0
 
 # Versions of WebJars included with resource-server