Bump github.com/vektah/gqlparser/v2 in /examples/auth (#209)
Bumps [github.com/vektah/gqlparser/v2](https://github.com/vektah/gqlparser) from 2.4.8 to 2.5.15.
- [Release notes](https://github.com/vektah/gqlparser/releases)
- [Commits](https://github.com/vektah/gqlparser/compare/v2.4.8...v2.5.15)
---
updated-dependencies:
- dependency-name: github.com/vektah/gqlparser/v2
dependency-type: direct:production
...
Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
