Merge pull request #185 from react-component/dependabot/npm_and_yarn/cross-env-7.0.0

Bump cross-env from 6.0.3 to 7.0.0

Author: afc163

package.json

@@ -38,7 +38,7 @@
     "rc-trigger": "^4.0.0-alpha.8"
   },
   "devDependencies": {
-    "cross-env": "^6.0.0",
+    "cross-env": "^7.0.0",
     "enzyme": "^3.8.0",
     "enzyme-to-json": "^3.4.0",
     "father": "^2.24.1",