backend-app-api: mark healthServiceFactory as public

Signed-off-by: Vincenzo Scamporlino <vincenzos@spotify.com>

packages/backend-app-api/api-report.md

@@ -18,6 +18,7 @@ import { ErrorRequestHandler } from 'express';
 import { Express as Express_2 } from 'express';
 import { Format } from 'logform';
 import { Handler } from 'express';
+import { HealthService } from '@backstage/backend-plugin-api';
 import { HelmetOptions } from 'helmet';
 import * as http from 'http';
 import { HttpAuthService } from '@backstage/backend-plugin-api';
@@ -126,6 +127,9 @@ export const discoveryServiceFactory: () => ServiceFactory<
 // @public @deprecated (undocumented)
 export type ExtendedHttpServer = ExtendedHttpServer_2;
 
+// @public (undocumented)
+export const healthServiceFactory: () => ServiceFactory<HealthService, 'root'>;
+
 // @public @deprecated
 export class HostDiscovery implements DiscoveryService {
   static fromConfig(

packages/backend-app-api/src/services/implementations/health/healthServiceFactory.ts

@@ -20,6 +20,9 @@ import {
 } from '@backstage/backend-plugin-api';
 import { createHealthRouter } from './createHealthRouter';
 
+/**
+ * @public
+ */
 export const healthServiceFactory = createServiceFactory({
   service: coreServices.health,
   deps: {