build(deps): bump github.com/99designs/gqlgen from 0.17.38 to 0.17.39

Bumps [github.com/99designs/gqlgen](https://github.com/99designs/gqlgen) from 0.17.38 to 0.17.39.
- [Release notes](https://github.com/99designs/gqlgen/releases)
- [Changelog](https://github.com/99designs/gqlgen/blob/master/CHANGELOG.md)
- [Commits](99designs/gqlgen@v0.17.38...v0.17.39)

---
updated-dependencies:
- dependency-name: github.com/99designs/gqlgen
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>