docs: fix medusa-react guide + specify react-query version (#5918)

* docs: fix medusa-react guide by adding missing link

* fix link

* add v4.22 as the supported version of react-query

www/apps/docs/content/upgrade-guides/medusa-react/4-0-2.md

@@ -36,10 +36,10 @@ npm uninstall react-query
 
 ### Install Tanstack Query
 
-Run the following command to install Tanstack Query:
+Run the following command to install Tanstack Query v4.22:
 
 ```bash npm2yarn
-npm install @tanstack/react-query
+npm install @tanstack/react-query@4.22
 ```
 
 ### Update Imports