fix(examples): GraphQL reference codesandbox issue (#10807)
fix(examples): GraphQL reference codesandbox issue (#10807)

* Remove PATH_PREFIX from graphql-reference-example

* update package instead

ChristopherBiscardi/gatsby,ChristopherBiscardi/gatsby,gatsbyjs/gatsby,ChristopherBiscardi/gatsby,gatsbyjs/gatsby,ChristopherBiscardi/gatsby,gatsbyjs/gatsby,gatsbyjs/gatsby,gatsbyjs/gatsby,gatsbyjs/gatsby