Fix electron build command

See: WiseLibs/better-sqlite3#601 (comment)

.github/workflows/test.yml

@@ -11,7 +11,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [14, 16]
+        node-version: [16]
 
     steps:
       - uses: actions/checkout@v2
@@ -41,7 +41,7 @@ jobs:
       - name: Use Node.js
         uses: actions/setup-node@v1
         with:
-          node-version: '14.x'
+          node-version: ${{ matrix.node-version }}
       - run: npm ci
         shell: bash
       - run: npm run-script electron-pack-${{ steps.get-os.outputs.os }}

package.json

@@ -8,18 +8,19 @@
   "scripts": {
     "build": "cross-env REACT_APP_VERSION=$npm_package_version INLINE_RUNTIME_CHUNK=false REACT_APP_CSP=\"script-src 'self'\" react-scripts build",
     "electron-dev": "concurrently \"BROWSER=none npm run start\" \"wait-on http://localhost:3000 && electron .\"",
-    "electron-pack": "npm run build && npx electron-builder",
-    "electron-pack-windows": "npm run build && npx electron-builder -w",
-    "electron-pack-macos": "npm run build && npx electron-builder --mac --universal",
-    "electron-pack-ubuntu": "npm run build && npx electron-builder -l",
-    "electron-pack-linux:arm64": "npm run build && npx electron-builder -l --arm64",
+    "electron-pack": "npm run build && electron-builder build",
+    "electron-pack-windows": "npm run build && electron-builder build -w",
+    "electron-pack-macos": "npm run build && electron-builder build --mac --universal",
+    "electron-pack-ubuntu": "npm run build && electron-builder build -l",
+    "electron-pack-linux:arm64": "npm run build && electron-builder build -l --arm64",
     "extension-build": "shx rm -rf build && npm run build && shx cp public/background.js public/manifest.json build",
     "extension-pack": "npm run extension-build && web-ext build --source-dir=build --artifacts-dir=. --filename=alephium-wallet.zip --overwrite-dest",
     "start": "cross-env REACT_APP_VERSION=$npm_package_version REACT_APP_CSP=\"script-src 'self' 'unsafe-inline'\" react-scripts start",
     "test": "react-scripts test --silent",
     "lint": "eslint . --ext .ts,.tsx --max-warnings=0",
     "lint:fix": "eslint . --fix --ext .ts,.tsx",
-    "format": "prettier --write \"**/*.{js,jsx,ts,tsx,json,md}\""
+    "format": "prettier --write \"**/*.{js,jsx,ts,tsx,json,md}\"",
+    "postinstall": "electron-builder install-app-deps"
   },
   "browserslist": {
     "production": [