Update dependencies

go.mod

go.sum

main.go

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

vendor/github.com/google/uuid/marshal.go

vendor/github.com/google/uuid/version1.go

vendor/github.com/google/uuid/version4.go

vendor/github.com/gophercloud/gophercloud/.travis.yml

vendor/github.com/gophercloud/gophercloud/.zuul.yaml

vendor/github.com/gophercloud/gophercloud/CHANGELOG.md

vendor/github.com/gophercloud/gophercloud/auth_options.go

vendor/github.com/gophercloud/gophercloud/errors.go

vendor/github.com/gophercloud/gophercloud/go.mod

vendor/github.com/gophercloud/gophercloud/go.sum

.../github.com/gophercloud/gophercloud/openstack/auth_env.go

...or/github.com/gophercloud/gophercloud/openstack/client.go

...phercloud/gophercloud/openstack/compute/v2/flavors/doc.go

...loud/gophercloud/openstack/compute/v2/flavors/requests.go

...cloud/gophercloud/openstack/compute/v2/flavors/results.go

...hercloud/gophercloud/openstack/compute/v2/flavors/urls.go