docs: add link from installation to update guide (#11245)

www/apps/book/app/learn/fundamentals/plugins/create/page.mdx

@@ -296,6 +296,12 @@ Then, register the plugin in your Medusa application's configurations as explain
 
 ## Update a Published Plugin
 
+<Note title="Tip">
+
+To update the Medusa dependencies in a plugin, refer to [this documentation](../../../update/page.mdx#update-plugin-project).
+
+</Note>
+
 If you've published a plugin and you've made changes to it, you'll have to publish the update to NPM again.
 
 First, run the following command to change the version of the plugin:

www/apps/book/app/learn/installation/page.mdx

@@ -139,6 +139,12 @@ If you run into issues with configurations, such as CORS configurations, or need
 
 ---
 
+## Update Medusa Application
+
+Refer to [this documentation](../update/page.mdx) to learn how to update your Medusa project.
+
+---
+
 ## Next Steps
 
 In the next chapters, you'll learn about the architecture of your Medusa application, then learn how to customize your application to build custom features.