Update dependency @graphql-tools/mock to v8.6.9

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@graphql-tools/mock	8.6.8 -> 8.6.9

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Release Notes

ardatan/graphql-tools

### [`v8.6.9`](https://togithub.com/ardatan/graphql-tools/blob/HEAD/packages/mock/CHANGELOG.md#​869) [Compare Source](https://togithub.com/ardatan/graphql-tools/compare/@graphql-tools/mock@8.6.8...@graphql-tools/mock@8.6.9) ##### Patch Changes - Updated dependencies \[[`0fc510c`](https://togithub.com/ardatan/graphql-tools/commit/0fc510cb)] - [@​graphql-tools/utils](https://togithub.com/graphql-tools/utils)[@​8](https://togithub.com/8).6.10 - [@​graphql-tools/schema](https://togithub.com/graphql-tools/schema)[@​8](https://togithub.com/8).3.11

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