Java SDK for Standalone Activities is in Pre-release

Signed-off-by: Phil Prasek <prasek@gmail.com>

Author: prasek

docs/develop/java/activities/standalone-activities.mdx

@@ -22,7 +22,7 @@ description: Execute Activities independently without a Workflow using the Tempo
 :::tip SUPPORT, STABILITY, and DEPENDENCY INFO
 
 Temporal Java SDK support for [Standalone Activities](/standalone-activity) is at
-[Pre-release](/evaluate/development-production-features/release-stages#pre-release).
+[Public Preview](/evaluate/development-production-features/release-stages#public-preview).
 
 :::