chore(deps): Bump github.com/vektah/gqlparser/v2 (#4660)

Bumps [github.com/vektah/gqlparser/v2](https://github.com/vektah/gqlparser) from 2.5.11 to 2.5.12.
- [Release notes](https://github.com/vektah/gqlparser/releases)
- [Commits](vektah/gqlparser@v2.5.11...v2.5.12)

---
updated-dependencies:
- dependency-name: github.com/vektah/gqlparser/v2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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