docs: fix card title in digital products recipe (#5147)

www/docs/content/recipes/digital-products.mdx

@@ -87,7 +87,7 @@ Medusa provides official notification plugins that you can use, such as the Send
   {
     type: 'link',
     href: 'https://medusajs.com/plugins/?filters=Storage&filters=Notification&categories=Storage',
-    label: 'Community File Service Plugins',
+    label: 'Community Notification Plugins',
     customProps: {
       icon: Icons['academic-cap-solid'],
       description: 'Check out available community notification service plugins.',