Update gemspec ruby constraints after generation
Update gemspec ruby constraints after generation

We'll be dropping support for old unsupported ruby versions, so this
will cause the gemspec to be updated to reflect that. This is applied
after client generation to update the generated file.

https://github.com/DocRaptor/docraptor-ruby/issues/22
https://github.com/swagger-api/swagger-codegen/pull/10445

DocRaptor/docraptor-ruby,DocRaptor/docraptor-ruby