build(deps): bump next from 15.3.3 to 15.4.6

Bumps [next](https://github.com/vercel/next.js) from 15.3.3 to 15.4.6.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v15.3.3...v15.4.6)

---
updated-dependencies:
- dependency-name: next
  dependency-version: 15.4.6
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

package.json

@@ -21,7 +21,7 @@
     "date-fns-tz": "^2.0.1",
     "firebase": "^11.3.1",
     "framer-motion": "^8.4.3",
-    "next": "^15.3.3",
+    "next": "^15.4.6",
     "react": "^18.2.0",
     "react-dom": "^18.2.0"
   },