Update go-containerregistry

Update go-containerregistry to merge in this
[PR](https://github.com/google/go-containerregistry/pull/293) and fix

Gopkg.lock

@@ -430,8 +430,7 @@
   version = "v0.2.0"
 
 [[projects]]
-  branch = "master"
-  digest = "1:764d0a9bb2c987d9333c5b0a256bc94791db50c0b5be2fa10f2247b1dcbd7a04"
+  digest = "1:f1b23f53418c1b035a5965ac2600a28b16c08643683d5213fb581ecf4e79a02a"
   name = "github.com/google/go-containerregistry"
   packages = [
     "pkg/authn",
@@ -450,7 +449,7 @@
     "pkg/v1/v1util",
   ]
   pruneopts = "NUT"
-  revision = "24bbadfcffb5e05b1578cb2bd5438992ada3b546"
+  revision = "88d8d18eb1bde1fcef23c745205c738074290515"
 
 [[projects]]
   digest = "1:f4f203acd8b11b8747bdcd91696a01dbc95ccb9e2ca2db6abf81c3a4f5e950ce"

Gopkg.toml

@@ -35,6 +35,10 @@ required = [
   name = "k8s.io/client-go"
   version = "kubernetes-1.11.0"
 
+[[constraint]]
+  name = "github.com/google/go-containerregistry"
+  revision = "88d8d18eb1bde1fcef23c745205c738074290515"
+
 [[override]]
   name = "k8s.io/apimachinery"
   version = "kubernetes-1.11.0"

vendor/github.com/google/go-containerregistry/pkg/v1/remote/transport/basic.go

@@ -39,7 +39,8 @@ func (bt *basicTransport) RoundTrip(in *http.Request) (*http.Response, error) {
 	// abstraction, so to avoid forwarding Authorization headers to places
 	// we are redirected, only set it when the authorization header matches
 	// the host with which we are interacting.
-	if in.Host == bt.target {
+	// In case of redirect http.Client can use an empty Host, check URL too.
+	if in.Host == bt.target || in.URL.Host == bt.target {
 		in.Header.Set("Authorization", hdr)
 	}
 	in.Header.Set("User-Agent", transportName)

vendor/github.com/google/go-containerregistry/pkg/v1/remote/transport/bearer.go

@@ -56,7 +56,8 @@ func (bt *bearerTransport) RoundTrip(in *http.Request) (*http.Response, error) {
 		// abstraction, so to avoid forwarding Authorization headers to places
 		// we are redirected, only set it when the authorization header matches
 		// the registry with which we are interacting.
-		if in.Host == bt.registry.RegistryStr() {
+		// In case of redirect http.Client can use an empty Host, check URL too.
+		if in.Host == bt.registry.RegistryStr() || in.URL.Host == bt.registry.RegistryStr() {
 			in.Header.Set("Authorization", hdr)
 		}
 		in.Header.Set("User-Agent", transportName)