Add router prop to AppComponentProps

`router` also needs to be set when rendering <App /> manually
(e.g. with Apollo SSR)

types/next/app.d.ts

@@ -4,6 +4,7 @@ import { RouterProps } from "./router";
 
 export interface AppComponentProps {
     Component: React.ComponentType<any>;
+    router: RouterProps;
     pageProps: any;
 }
 

types/next/test/next-app-tests.tsx

@@ -17,7 +17,7 @@ class TestApp extends App<NextComponentProps> {
     }
 
     render() {
-        const { Component, pageProps } = this.props;
+        const { Component, router, pageProps } = this.props;
         return (
             <Container>
                 <Component {...pageProps} />