Bump webonyx/graphql-php from 15.21.2 to 15.22.0

Bumps [webonyx/graphql-php](https://github.com/webonyx/graphql-php) from 15.21.2 to 15.22.0.
- [Release notes](https://github.com/webonyx/graphql-php/releases)
- [Changelog](https://github.com/webonyx/graphql-php/blob/master/CHANGELOG.md)
- [Commits](webonyx/graphql-php@v15.21.2...v15.22.0)

---
updated-dependencies:
- dependency-name: webonyx/graphql-php
  dependency-version: 15.22.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

composer.json

@@ -101,7 +101,7 @@
         "twig/string-extra": "^3.21",
         "twig/twig": "^3.15",
         "wapmorgan/unified-archive": "^1.3",
-        "webonyx/graphql-php": "^15.21"
+        "webonyx/graphql-php": "^15.22"
     },
     "require-dev": {
         "ext-xml": "*",