docs(nuxt): use correct module path in a snippet (#15033)

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## DESCRIBE YOUR PR

Noticed that a snippet in [Nuxt manual setup
guide](https://docs.sentry.io/platforms/javascript/guides/nuxt/manual-setup/#configure-client-side-sentry)
is using incorrect module path when registering it.

It it is using `@sentry/nuxt` instead of `@sentry/nuxt/module` which is
the correct path.

<img width="2336" height="720" alt="CleanShot 2025-09-24 at 14 34 37@2x"
src="https://github.com/user-attachments/assets/10f611bc-80ea-4874-83e8-8be4f567f1a3"
/>

I verified this by copying the snippet into a Nuxt project, it throws:

```
RollupError: [plugin impound] Importing directly from module entry-points is not allowed. [importing @sentry/nuxt from sentry.server.config.ts]
```

So here I'm just fixing and after the change it would match the other
snippets that have the correct path used.

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## PRE-MERGE CHECKLIST

- [x] Checked Vercel preview for correctness, including links
- [ ] PR was reviewed and approved by any necessary SMEs (subject matter
experts)
- [ ] PR was reviewed and approved by a member of the [Sentry docs
team](https://github.com/orgs/getsentry/teams/docs)

Author: logaretm

platform-includes/getting-started-complete/javascript.nuxt.mdx

@@ -106,7 +106,7 @@ We recommend you store your Sentry [Data Source Name](/concepts/key-terms/dsn-ex
 
 ```javascript {filename:nuxt.config.ts}
 export default defineNuxtConfig({
-  modules: ["@sentry/nuxt"],
+  modules: ["@sentry/nuxt/module"],
   runtimeConfig: {
     public: {
       sentry: {