Bump next from 15.4.5 to 15.4.7

Bumps [next](https://github.com/vercel/next.js) from 15.4.5 to 15.4.7.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v15.4.5...v15.4.7)

---
updated-dependencies:
- dependency-name: next
  dependency-version: 15.4.7
  dependency-type: direct:production
...

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

Author: dependabot[bot]

packages/cursorless-org/package.json

@@ -33,7 +33,7 @@
     "@mdx-js/loader": "^3.1.0",
     "@mdx-js/react": "^3.1.0",
     "@next/mdx": "^15.4.5",
-    "next": "^15.4.5",
+    "next": "^15.4.7",
     "react": "^19.1.1",
     "react-dom": "^19.1.1",
     "react-player": "^3.3.1"