dep is warning during bootstrap about missing settings

[ilovezfs]

==> make bootstrap
dep ensure
dep: WARNING: branch, version, revision, or source should be provided for "github.com/Azure/azure-sdk-for-go"
dep: WARNING: branch, version, revision, or source should be provided for "github.com/Azure/go-autorest"
dep: WARNING: branch, version, revision, or source should be provided for "github.com/ghodss/yaml"
dep: WARNING: branch, version, revision, or source should be provided for "github.com/pmezard/go-difflib"
dep: WARNING: branch, version, revision, or source should be provided for "github.com/spf13/cobra"
dep: WARNING: branch, version, revision, or source should be provided for "gopkg.in/validator.v2"
dep: WARNING: branch, version, revision, or source should be provided for "k8s.io/apimachinery"

I cannot update landscaper in Homebrew if these aren't actually pinned as expected.

[rollulus]

Thanks in advance for updating Homebrew!