chore: Update copyright year

jcs090218 · web-flow · commit ef649bfaeea2 · 2024-01-01T00:51:37.000-08:00
diff --git a/lsp-ltex.el b/lsp-ltex.el
@@ -1,6 +1,6 @@
 ;;; lsp-ltex.el --- LSP Clients for LTEX  -*- lexical-binding: t; -*-
 
-;; Copyright (C) 2021-2023  Shen, Jen-Chieh
+;; Copyright (C) 2021-2024  Shen, Jen-Chieh
 ;; Created date 2021-04-03 00:35:56
 
 ;; Author: Shen, Jen-Chieh <jcs090218@gmail.com>
