fix(deps): update nextjs monorepo to v16.1.6

Author: renovate[bot]

package-lock.json

@@ -21,7 +21,7 @@
     "embla-carousel-autoplay": "^8.6.0",
     "embla-carousel-react": "^8.6.0",
     "linkify-react": "^4.3.2",
-    "next": "16.0.10",
+    "next": "16.1.6",
     "next-sitemap": "^4.2.3",
     "node-ical": "^0.22.0",
     "nodemailer": "^7.0.6",
@@ -38,7 +38,7 @@
     "@types/react": "^19",
     "@types/react-dom": "^19",
     "eslint": "^9",
-    "eslint-config-next": "16.0.10",
+    "eslint-config-next": "16.1.6",
     "prettier": "^3.6.2",
     "tailwindcss": "^4",
     "tw-animate-css": "^1.3.8",