Update npm package next [SECURITY]

Author: hash-worker[bot]

apps/hash-frontend/package.json

@@ -91,7 +91,7 @@
     "marked": "4.3.0",
     "material-ui-popup-state": "4.1.0",
     "millify": "6.1.0",
-    "next": "15.5.10",
+    "next": "16.1.7",
     "next-seo": "6.8.0",
     "nextjs-progressbar": "0.0.16",
     "notistack": "2.0.8",

libs/@local/hash-isomorphic-utils/package.json

@@ -70,7 +70,7 @@
     "@vitest/coverage-istanbul": "3.2.4",
     "eslint": "9.39.3",
     "graphql": "16.11.0",
-    "next": "15.5.10",
+    "next": "15.5.13",
     "react": "19.2.3",
     "rimraf": "6.1.3",
     "typescript": "5.9.3",