build(deps): bump next from 15.0.2 to 15.1.2 in /docs/interactive

Bumps [next](https://github.com/vercel/next.js) from 15.0.2 to 15.1.2.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v15.0.2...v15.1.2)

---
updated-dependencies:
- dependency-name: next
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

docs/interactive/package.json

@@ -9,7 +9,7 @@
     "deploy": "gh-pages -d out -t true"
   },
   "dependencies": {
-    "next": "15.0.2",
+    "next": "15.1.2",
     "next-seo": "^6.6.0",
     "nextra": "^2.13.2",
     "nextra-theme-docs": "^2.13.2",