chore: bump tauri config version to 0.4.0

src-tauri/tauri.conf.json

@@ -1,7 +1,7 @@
 {
   "$schema": "https://schema.tauri.app/config/2",
   "productName": "WhispAssist",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "identifier": "bet.dou.whispassist",
   "build": {
     "frontendDist": "../dist",