Bump webonyx/graphql-php from 15.30.2 to 15.32.3

Bumps [webonyx/graphql-php](https://github.com/webonyx/graphql-php) from 15.30.2 to 15.32.3.
- [Release notes](https://github.com/webonyx/graphql-php/releases)
- [Changelog](https://github.com/webonyx/graphql-php/blob/master/CHANGELOG.md)
- [Commits](webonyx/graphql-php@v15.30.2...v15.32.3)

---
updated-dependencies:
- dependency-name: webonyx/graphql-php
  dependency-version: 15.32.3
  dependency-type: indirect
...

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Author: dependabot[bot]