chore(dev): use watch mode for dev:prod

Author: KaelWD

packages/vuetify/package.json

@@ -92,7 +92,7 @@
     "watch": "yarn build:lib --watch",
     "dev": "cross-env NODE_ENV=development vite",
     "dev:ssr": "cross-env NODE_ENV=development VITE_SSR=true vite-ssr",
-    "dev:prod": "cross-env NODE_ENV=production vite build && vite preview",
+    "dev:prod": "concurrently \"cross-env NODE_ENV=production vite build -w\" \"vite preview\"",
     "build": "rimraf lib dist && concurrently \"yarn build:dist\" \"yarn build:lib\" -n \"dist,lib\" --kill-others-on-fail -r && yarn build:types",
     "build:dist": "rollup --config build/rollup.config.js",
     "build:lib": "cross-env NODE_ENV=lib babel src --out-dir lib --source-maps --extensions \".ts\",\".tsx\",\".snap\" --copy-files --no-copy-ignored --out-file-extension .mjs",