change react-apollo-hooks to @apollo/react-hooks

 import React from "react";
 import { gql } from "apollo-boost";
-import { useQuery } from "react-apollo-hooks";
+import { useQuery } from "@apollo/react-hooks";
 import { ThemeProvider } from "styled-components";
 import GlobalStyles from "../Styles/GlobalStyles";
 import Helmet from "./Helmet";

 import React from "react";
 import ReactDOM from "react-dom";
 import App from "./Components/App";
-import { ApolloProvider } from "react-apollo-hooks";
+import { ApolloProvider } from "@apollo/react-hooks";
 import Client from "./Apollo/Client";
 
 ReactDOM.render(