Bump graphql from 1.9.17 to 1.9.18
Bump graphql from 1.9.17 to 1.9.18

Bumps [graphql](https://github.com/rmosolgo/graphql-ruby) from 1.9.17 to 1.9.18.
- [Release notes](https://github.com/rmosolgo/graphql-ruby/releases)
- [Changelog](https://github.com/rmosolgo/graphql-ruby/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rmosolgo/graphql-ruby/compare/v1.9.17...v1.9.18)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
kenchan/tdnm,kenchan/tdnm,kenchan/tdnm,kenchan/tdnm