chore(release): bump version to 4.4.3

package.json

@@ -1,6 +1,6 @@
 {
   "name": "markdown-converter",
-  "version": "4.4.2",
+  "version": "4.4.3",
   "description": "Professional Markdown editor and universal file converter with PDF editing, batch processing, and syntax highlighting",
   "main": "src/main.js",
   "scripts": {

src/renderer.js

@@ -1,6 +1,6 @@
 /**
  * MarkdownConverter Renderer Process
- * @version 4.4.2
+ * @version 4.4.3
  */
 
 const { ipcRenderer } = require('electron');

src/utils/ModalManager.js

@@ -1,6 +1,6 @@
 /**
  * ModalManager - Unified modal system with accessibility support
- * @version 4.4.2
+ * @version 4.4.3
  */
 class ModalManager {
     #modal;