chore(deps): secure electron builder toolchain

Refresh the Loong electron-builder stack to clear npm audit findings and declare the Node.js floor required by the updated build tooling.

package.json

@@ -6,6 +6,9 @@
   "author": "elysia-best <elysia-best@simplelinux.cn.eu.org>",
   "license": "GPL-3.0",
   "private": true,
+  "engines": {
+    "node": ">=22.12.0"
+  },
   "keywords": [
     "electron",
     "rollup",
@@ -43,12 +46,12 @@
     "@dotenvx/dotenvx": "^1.51.4",
     "@eslint/create-config": "^1.11.0",
     "@eslint/js": "^9.39.2",
-    "@loongdotjs/electron-builder": "^26.0.12-1",
+    "@loongdotjs/electron-builder": "^26.8.2-loong1",
     "@playwright/test": "^1.40.0",
     "@testing-library/jest-dom": "^6.1.5",
     "@testing-library/vue": "^8.0.1",
     "@vitejs/plugin-vue": "^6.0.3",
-    "@vitest/coverage-v8": "^1.0.0",
+    "@vitest/coverage-v8": "^4.1.4",
     "@vue/test-utils": "^2.4.3",
     "conventional-changelog": "^7.1.1",
     "conventional-changelog-angular": "^8.1.0",
@@ -67,7 +70,7 @@
     "vite": "^6.4.1",
     "vite-plugin-electron": "^0.29.0",
     "vite-plugin-electron-renderer": "^0.14.5",
-    "vitest": "^1.0.0",
+    "vitest": "^4.1.4",
     "vue": "^3.4.21",
     "vue-tsc": "^3.2.4"
   },