change homeTranslationRef to alpha api

Signed-off-by: mario ma <mario.ma.node@gmail.com>

plugins/home/src/alpha.tsx

@@ -74,3 +74,5 @@ export default createFrontendPlugin({
     root: rootRouteRef,
   },
 });
+
+export { homeTranslationRef } from './translation';

plugins/home/src/index.ts

@@ -42,4 +42,3 @@ export * from './assets';
 export * from './homePageComponents';
 export * from './deprecated';
 export * from './api';
-export { homeTranslationRef } from './translation';

plugins/home/src/translation.ts

@@ -16,7 +16,7 @@
 import { createTranslationRef } from '@backstage/frontend-plugin-api';
 
 /**
- * @public
+ * @alpha
  */
 export const homeTranslationRef = createTranslationRef({
   id: 'home',