Merge branch 'master' of https://github.com/react-component/cascader

Author: zombieJ

package.json

@@ -60,7 +60,7 @@
     "rc-form": "^2.4.0",
     "react": "^16.0.0",
     "react-dom": "^16.0.0",
-    "typescript": "^3.5.2"
+    "typescript": "^4.4.2"
   },
   "dependencies": {
     "@babel/runtime": "^7.12.5",