chore: rollback cross-env to set Vite dev mode

Author: ghiscoding

packages/multiple-select-vanilla/package.json

@@ -61,7 +61,7 @@
     "postbuild": "pnpm sass:build && pnpm sass:copy",
     "dev:init": "pnpm sass:build && pnpm sass:copy && pnpm build:all",
     "build:all": "node build-prod.mjs",
-    "build:watch": "set NODE_ENV='development' && node build-watch.mjs",
+    "build:watch": "cross-env NODE_ENV=development node build-watch.mjs",
     "build:locales": "esbuild src/locales/all-locales-index.ts --bundle --minify --format=iife --target=es2021 --sourcemap --outfile=dist/locales/multiple-select-all-locales.js",
     "build:esm": "esbuild src/index.ts --bundle --minify --format=esm --target=es2021 --sourcemap --outfile=dist/multiple-select.js",
     "build:types": "tsc --emitDeclarationOnly --incremental --declarationMap false --outDir dist",
@@ -77,9 +77,10 @@
   },
   "devDependencies": {
     "autoprefixer": "^10.4.20",
+    "cross-env": "^7.0.3",
     "cssnano": "^7.0.6",
     "esbuild": "^0.24.2",
-    "native-copyfiles": "^0.2.1",
+    "native-copyfiles": "^0.3.0",
     "postcss": "^8.5.1",
     "postcss-cli": "^11.0.0",
     "sass": "^1.83.4",