chore(deps): bump next (#1030)

Bumps the npm_and_yarn group with 1 update in the /examples/javascript-ext/turborepo-demo directory: [next](https://github.com/vercel/next.js).


Updates `next` from 15.4.7 to 15.4.8
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v15.4.7...v15.4.8)

---
updated-dependencies:
- dependency-name: next
  dependency-version: 15.4.8
  dependency-type: direct:production
  dependency-group: npm_and_yarn
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

examples/javascript-ext/turborepo-demo/apps/docs/package.json

@@ -12,7 +12,7 @@
   },
   "dependencies": {
     "@repo/ui": "*",
-    "next": "^15.4.7",
+    "next": "^15.4.8",
     "react": "^19.1.0",
     "react-dom": "^19.1.0"
   },

examples/javascript-ext/turborepo-demo/apps/web/package.json

@@ -12,7 +12,7 @@
   },
   "dependencies": {
     "@repo/ui": "*",
-    "next": "^15.4.7",
+    "next": "^15.4.8",
     "react": "^19.1.0",
     "react-dom": "^19.1.0"
   },