Update package.json

package.json

@@ -37,6 +37,7 @@
     "@parcel/transformer-inline-string": "^2.5.0",
     "@parcel/transformer-less": "^2.5.0",
     "chai": "^4.3.6",
+    "cross-env": "^7.0.3",
     "eslint": "^8.14.0",
     "glob": "^8.0.1",
     "inquirer": "^8.2.3",
@@ -48,4 +49,4 @@
     "servor": "^4.0.2",
     "workbox-build": "^6.5.3"
   }
-}
+}