chore: bump version to v1.2.9

src-tauri/tauri.conf.json

@@ -1,7 +1,7 @@
 {
   "$schema": "https://schema.tauri.app/config/2",
   "productName": "NyaTerm",
-  "version": "1.2.8",
+  "version": "1.2.9",
   "identifier": "com.kang.nyaterm",
   "build": {
     "beforeDevCommand": "pnpm build:mcp-sidecar && pnpm dev",