Bump graphql-tools from 6.0.10 to 6.0.11

Bumps [graphql-tools](https://github.com/ardatan/graphql-tools) from 6.0.10 to 6.0.11.
- [Release notes](https://github.com/ardatan/graphql-tools/releases)
- [Commits](ardatan/graphql-tools@v6.0.10...v6.0.11)

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