Bump next from 15.5.2 to 15.5.7

Bumps [next](https://github.com/vercel/next.js) from 15.5.2 to 15.5.7.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v15.5.2...v15.5.7)

---
updated-dependencies:
- dependency-name: next
  dependency-version: 15.5.7
  dependency-type: direct:production
...

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

Author: dependabot[bot]

package-lock.json

@@ -19,7 +19,7 @@
     "@tailwindcss/postcss": "4.1.13",
     "bitpay-sdk": "6.3.1",
     "dayjs": "1.11.18",
-    "next": "15.5.2",
+    "next": "15.5.7",
     "next-yaml": "1.0.1",
     "react": "19.1.1",
     "react-csv": "2.2.2",