chore(deps): bump next in /advanced/dapps/react-dapp-v2-cosmos-provider (#950)

Bumps [next](https://github.com/vercel/next.js) from 15.2.3 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@v15.2.3...v15.4.8)

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

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

Author: dependabot[bot]

advanced/dapps/react-dapp-v2-cosmos-provider/package.json

@@ -44,7 +44,7 @@
     "eth-sig-util": "^2.5.3",
     "ethereumjs-util": "^7.0.6",
     "ethers": "^5.3.0",
-    "next": "15.2.3",
+    "next": "15.4.8",
     "prop-types": "^15.7.2",
     "qr-image": "^3.2.0",
     "react": "^18.3.1",