Bump next from 15.2.4 to 15.3.0 (#1317)

Bumps [next](https://github.com/vercel/next.js) from 15.2.4 to 15.3.0.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v15.2.4...v15.3.0)

---
updated-dependencies:
- dependency-name: next
  dependency-version: 15.3.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

package.json

@@ -18,7 +18,7 @@
     "@mui/material": "^5.17.1",
     "@mui/styles": "^6.4.10",
     "firebase": "^11.6.0",
-    "next": "^15.2.4",
+    "next": "^15.3.0",
     "react": "^18.2.0",
     "react-dom": "^18.3.1"
   },