docs: convert all @experimental tags to @publicApi tags (#26595)

PR Close #26595

packages/platform-webworker/src/worker_app.ts

@@ -23,7 +23,7 @@ import {WorkerDomAdapter} from './web_workers/worker/worker_adapter';
 
 
 /**
- * @experimental
+ * @publicApi
  */
 export const platformWorkerApp = createPlatformFactory(
     platformCore, 'workerApp', [{provide: PLATFORM_ID, useValue: PLATFORM_WORKER_APP_ID}]);
@@ -55,7 +55,7 @@ export function setupWebWorker(): void {
 /**
  * The ng module for the worker app side.
  *
- * @experimental
+ * @publicApi
  */
 @NgModule({
   providers: [