chore: 2026으로 기간 수정

Author: Gothax

src/main/resources/templates/component/copyright.html

@@ -21,7 +21,7 @@
         font-size: 20px;
         line-height: 150%;
         color: #D6DADF;">
-        © 2016-2025 Ceos ALL RIGHTS RESERVED.
+        © 2016-2026 Ceos ALL RIGHTS RESERVED.
     </span>
 </div>
 </html>