Bump graphiql from 1.4.1 to 1.4.7 (#787)

Bumps [graphiql](https://github.com/graphql/graphiql) from 1.4.1 to 1.4.7.
- [Release notes](https://github.com/graphql/graphiql/releases)
- [Changelog](https://github.com/graphql/graphiql/blob/main/CHANGELOG.md)
- [Commits](https://github.com/graphql/graphiql/commits/graphiql@1.4.7)

---
updated-dependencies:
- dependency-name: graphiql
  dependency-type: direct:development
...

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