chore: bump next from 15.5.10 to 16.1.5 in /pwa

Bumps [next](https://github.com/vercel/next.js) from 15.5.10 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@v15.5.10...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>

Author: dependabot[bot]

pwa/package.json

@@ -21,7 +21,7 @@
     "@tanstack/react-query-next-experimental": "^5.74.2",
     "autoprefixer": "^10.4.21",
     "formik": "^2.4.6",
-    "next": "^15.5.10",
+    "next": "^16.1.5",
     "next-auth": "5.0.0-beta.30",
     "picocolors": "^1.1.1",
     "postcss": "^8.5.3",