plugins/graphiql: switch graphiql version to next, with TS support

plugins/graphiql/package.json

@@ -29,8 +29,8 @@
     "@material-ui/core": "^4.9.1",
     "@material-ui/icons": "^4.9.1",
     "@material-ui/lab": "4.0.0-alpha.45",
-    "graphiql": "^0.17.5",
-    "graphql": "^14.0.0",
+    "graphiql": "^1.0.0-alpha.8",
+    "graphql": "15.0.0",
     "react": "16.13.1",
     "react-dom": "16.13.1",
     "react-use": "^13.0.0"

plugins/graphiql/src/components/GraphiQLPage/graphiql.d.ts

@@ -1,30 +0,0 @@
-/*
- * Copyright 2020 Spotify AB
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-declare module 'graphiql' {
-  import { FC } from 'react';
-
-  type Props = {
-    fetcher: (params: any) => Promise<any>;
-    schema?: any;
-    storage?: Storage;
-    editorTheme?: string;
-  };
-
-  const GraphiQL: FC<Props>;
-
-  export default GraphiQL;
-}