build(deps): bump next from 16.1.1 to 16.1.5 (#109)

Bumps [next](https://github.com/vercel/next.js) from 16.1.1 to 16.1.5.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v16.1.1...v16.1.5)

---
updated-dependencies:
- dependency-name: next
  dependency-version: 16.1.5
  dependency-type: direct:production
...

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

Author: dependabot[bot]

package.json

@@ -33,7 +33,7 @@
     "datocms-structured-text-utils": "^5.1.7",
     "dotenv": "^17.2.3",
     "graphql": "^16.12.0",
-    "next": "16.1.1",
+    "next": "16.1.5",
     "nodemailer": "^7.0.12",
     "react": "19.2.3",
     "react-datocms": "^7.2.4",