Update package.json

https://nextjs.org/blog/security-update-2025-12-11

Author: Ethan-Arrowood

package.json

@@ -12,7 +12,7 @@
 	},
 	"dependencies": {
 		"@harperdb/nextjs": "1.1.4",
-		"next": "15.3.6",
+		"next": "15.3.8",
 		"react": "18",
 		"react-dom": "18"
 	},