Merge pull request #145 from SuperMap/dependabot/npm_and_yarn/cross-env-7.0.2

Bump cross-env from 6.0.3 to 7.0.2

Author: songyumeng

package.json

@@ -72,7 +72,7 @@
     "chromedriver": "75.1.0",
     "clean-css-cli": "^4.3.0",
     "commander": "^4.0.1",
-    "cross-env": "^6.0.3",
+    "cross-env": "^7.0.2",
     "css-loader": "^3.2.0",
     "es3ify-loader": "^0.2.0",
     "eslint": "^6.8.0",