Update dependency graphql to v15.7.2

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
graphql	15.7.1 -> 15.7.2

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Release Notes

graphql/graphql-js

### [`v15.7.2`](https://togithub.com/graphql/graphql-js/releases/v15.7.2) [Compare Source](https://togithub.com/graphql/graphql-js/compare/v15.7.1...v15.7.2) #### v15.7.2 (2021-10-28) ##### Bug Fix 🐞 - [#​3343](https://togithub.com/graphql/graphql-js/pull/3343) GraphQLError: Fixed `originalError.extensions` overriding `extensions` argument to constructor ([@​klippx](https://togithub.com/klippx)) ##### Committers: 1 - Mathias Klippinge([@​klippx](https://togithub.com/klippx))

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