docs: update to next 15 + eslint 9 (#9839)

* update next

* updated react

* update eslint

* finish updating eslint

* fix content lint errors

* fix docs test

* fix vale action

* fix installation errors

www/apps/resources/app/admin-components/components/container/page.mdx

@@ -17,7 +17,7 @@ To create a component that uses the same container styling in your widgets or UI
 ```tsx
 import { 
   Container as UiContainer,
-  clx
+  clx,
 } from "@medusajs/ui"
 
 type ContainerProps = React.ComponentProps<typeof UiContainer>