Currently, [graphiql sends `Accept: application/json, multipart/mixed`. ](https://github.com/graphql/graphiql/blob/5f2c3a45906c332e07200b0008d0e5bf329a8ffa/packages/graphiql-toolkit/src/create-fetcher/lib.ts#L160) For compatibility with [GraphQL over HTTP](https://graphql.github.io/graphql-over-http/draft/#sel-GALHJNABAB5Br8e) and newer servers, could it send `Accept: application/graphql-response+json, application/json;q=0.9` instead?
Currently, graphiql sends
Accept: application/json, multipart/mixed.For compatibility with GraphQL over HTTP and newer servers, could it send
Accept: application/graphql-response+json, application/json;q=0.9instead?