Use getUTCFullYear() to get current year. (#297)

* Use getUTCFullYear() to get current year.

* BDK -> LDK

Author: arturgontijo

Diff for: docs/.vuepress/config.js

@@ -314,7 +314,7 @@ module.exports = {
           ],
         },
       ],
-      copyright: "Copyright © 2024 LDK Developers",
+      copyright: `Copyright © ${(new Date()).getUTCFullYear()} LDK Developers`,
     },
   },
 };