Update dependency next to v16.1.6

Author: renovate[bot]

bonus/learning/Henry_letellier/gamified_tree/package-lock.json

@@ -11,7 +11,7 @@
   "dependencies": {
     "bootstrap": "^5.3.3",
     "d3": "^7.9.0",
-    "next": "16.1.5",
+    "next": "16.1.6",
     "react": "^19.0.0",
     "react-bootstrap": "^2.10.9",
     "react-dom": "^19.0.0"

bonus/learning/Henry_letellier/gamified_tree/package.json

@@ -11,7 +11,7 @@
   "dependencies": {
     "react": "^19.0.0",
     "react-dom": "^19.0.0",
-    "next": "16.1.5"
+    "next": "16.1.6"
   },
   "devDependencies": {
     "@tailwindcss/postcss": "^4",