Update dependency next to v15.5.10 [SECURITY] (#356)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package.json

@@ -18,7 +18,7 @@
     "dotenv-safe": "9.1.0",
     "jsdom": "27.4.0",
     "ley": "0.8.1",
-    "next": "15.5.9",
+    "next": "15.5.10",
     "postgres": "3.4.8",
     "react": "19.2.3",
     "react-dom": "19.2.3",