build(deps): update dependency next to v16

Author: renovate[bot]

apps/web/package.json

@@ -38,7 +38,7 @@
 		"dotenv": "17.3.1",
 		"framer-motion": "12.34.1",
 		"millify": "6.1.0",
-		"next": "15.5.12",
+		"next": "16.1.6",
 		"next-plausible": "3.12.5",
 		"react": "19.2.4",
 		"react-apexcharts": "1.9.0",