refactor: bump graphiql from 2.0.8 to 5.2.1

Bumps [graphiql](https://github.com/graphql/graphiql/tree/HEAD/packages/graphiql) from 2.0.8 to 5.2.1.
- [Release notes](https://github.com/graphql/graphiql/releases)
- [Changelog](https://github.com/graphql/graphiql/blob/main/packages/graphiql/CHANGELOG.md)
- [Commits](https://github.com/graphql/graphiql/commits/graphiql@5.2.1/packages/graphiql)

---
updated-dependencies:
- dependency-name: graphiql
  dependency-version: 5.2.1
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]