fix(type): Add the missed parameter to useRouter

`useRouter` supports pass an optional parameter to indicate whether the the router should be dynamic or not. But it was missed in the type definitions.

See https://github.com/NervJS/taro/blob/93c6d6e18f29ab2c2844da8641746b55d6a7df18/packages/taro-runtime/src/dsl/hooks.ts#L81

packages/taro/types/taro.hooks.d.ts

@@ -61,7 +61,7 @@ declare namespace Taro {
   /**
    * 获取当前路由参数。
    */
-  function useRouter<TParams extends Partial<Record<string, string>> = Partial<Record<string, string>>>(): RouterInfo<TParams>
+  function useRouter<TParams extends Partial<Record<string, string>> = Partial<Record<string, string>>>(dynamic?: boolean): RouterInfo<TParams>
 
   /**
    * 导航栏的标题被点击时的回调。