Update 'uuid' dependency.

Gopkg.lock

Gopkg.toml

vendor/github.com/gofrs/uuid/.gitignore

vendor/github.com/gofrs/uuid/.travis.yml

vendor/github.com/gofrs/uuid/README.md

vendor/github.com/gofrs/uuid/codec.go

vendor/github.com/gofrs/uuid/generator.go

vendor/github.com/gofrs/uuid/generator_test.go

vendor/github.com/gofrs/uuid/go.mod

vendor/github.com/gofrs/uuid/sql.go

vendor/github.com/gofrs/uuid/sql_test.go

vendor/github.com/gofrs/uuid/uuid.go

vendor/github.com/gofrs/uuid/uuid_test.go