Bump github.com/go-openapi/loads from 0.21.0 to 0.21.1 (#649)

Bumps [github.com/go-openapi/loads](https://github.com/go-openapi/loads) from 0.21.0 to 0.21.1.
- [Release notes](https://github.com/go-openapi/loads/releases)
- [Commits](https://github.com/go-openapi/loads/compare/v0.21.0...v0.21.1

)

---
updated-dependencies:
- dependency-name: github.com/go-openapi/loads
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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