Update task schedule examples

Signed-off-by: Johan Haals <johan.haals@gmail.com>

packages/backend/src/plugins/search.ts

@@ -26,7 +26,6 @@ import {
 } from '@backstage/plugin-search-backend-node';
 import { DefaultTechDocsCollatorFactory } from '@backstage/plugin-techdocs-backend';
 import { Router } from 'express';
-import { Duration } from 'luxon';
 import { PluginEnvironment } from '../types';
 
 async function createSearchEngine(
@@ -57,11 +56,11 @@ export default async function createPlugin(
   });
 
   const schedule = env.scheduler.createScheduledTaskRunner({
-    frequency: Duration.fromObject({ minutes: 10 }),
-    timeout: Duration.fromObject({ minutes: 15 }),
+    frequency: { seconds: 10 },
+    timeout: { minutes: 15 },
     // A 3 second delay gives the backend server a chance to initialize before
     // any collators are executed, which may attempt requests against the API.
-    initialDelay: Duration.fromObject({ seconds: 3 }),
+    initialDelay: { seconds: 3 },
   });
 
   // Collators are responsible for gathering documents known to plugins. This