Define the version of swagger-codegen to use to make `make test` pass.
Define the version of swagger-codegen to use to make `make test` pass.

grpc-ecosystem/grpc-gateway,ilius/grpc-gateway,ilius/grpc-gateway,ilius/grpc-gateway,Lantame/grpc-gateway,tmc/grpc-gateway,improbable-io/grpc-gateway,gengo/grpc-gateway,improbable-io/grpc-gateway,tmc/grpc-gateway,Lantame/grpc-gateway,gengo/grpc-gateway