[react-router-redux] Update action payload type (#11559)

The payload for React Redux Router action is a location object. For more information look at the source code [here](https://github.com/reactjs/react-router-redux/blob/master/src/sync.js#L95)

react-router-redux/react-router-redux.d.ts

@@ -29,7 +29,7 @@ declare namespace ReactRouterRedux {
 
     type RouterAction = {
         type: string
-        payload?: any
+        payload?: LocationDescriptor
     }
     
     interface RouteActions {