Fix alpha entry point translation ref re-exports to use @alpha instead of @public

Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>
Made-with: Cursor

plugins/kubernetes-react/src/alpha.ts

@@ -17,7 +17,7 @@
 import { kubernetesReactTranslationRef as _kubernetesReactTranslationRef } from './translation';
 
 /**
- * @public
+ * @alpha
  * @deprecated Import from `@backstage/plugin-kubernetes-react` instead.
  */
 export const kubernetesReactTranslationRef = _kubernetesReactTranslationRef;