[C3] Bump create-next-app in /packages/create-cloudflare/src/frameworks

Bumps [create-next-app](https://github.com/vercel/next.js/tree/HEAD/packages/create-next-app) from 14.2.5 to 15.1.0.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](https://github.com/vercel/next.js/commits/v15.1.0/packages/create-next-app)

---
updated-dependencies:
- dependency-name: create-next-app
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

packages/create-cloudflare/src/frameworks/package.json

@@ -10,7 +10,7 @@
 		"@angular/create": "19.0.0",
 		"create-docusaurus": "3.6.3",
 		"create-hono": "0.14.2",
-		"create-next-app": "14.2.5",
+		"create-next-app": "15.1.0",
 		"create-qwik": "1.11.0",
 		"create-vite": "6.0.1",
 		"create-remix": "2.15.0",