chore(router): fix typo in comment (#50581)

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### What?

fix typo in comment (withRoute -> withRouter)

packages/next/src/client/router.ts

@@ -126,7 +126,7 @@ routerEvents.forEach((event) => {
 // Export the singletonRouter and this is the public API.
 export default singletonRouter as SingletonRouter
 
-// Reexport the withRoute HOC
+// Reexport the withRouter HOC
 export { default as withRouter } from './with-router'
 
 export function useRouter(): NextRouter {