create changeset for exposing the todos-backend plugin using the new system

Signed-off-by: Oleg S <97077423+RobotSail@users.noreply.github.com>

.changeset/new-waves-sing.md

@@ -0,0 +1,6 @@
+---
+'@backstage/plugin-todo-backend': minor
+'example-backend-next': patch
+---
+
+Expose the todos-backend plugin using the new system, add the new entrypoint for todos-backend into the experimental backend

plugins/todo-backend/src/service/router.test.ts

@@ -18,12 +18,12 @@ import express from 'express';
 import request from 'supertest';
 import { errorHandler } from '@backstage/backend-common';
 
+import { createRouter } from './router';
 import {
-  createRouter,
   parseFilterParam,
   parseIntegerParam,
   parseOrderByParam,
-} from './router';
+} from '../lib/utils';
 import { TodoService } from './types';
 
 const mockListBody = {