Upgrade to oras v0.9.0 (helm#9269)

* Upgrade to oras v0.9.0

Signed-off-by: Josh Dolitsky <[email protected]>

* fix test-style

Signed-off-by: Josh Dolitsky <[email protected]>
(cherry picked from commit 0b2fec0)

cmd/helm/repo_add.go

@@ -29,7 +29,7 @@ import (
 	"github.com/gofrs/flock"
 	"github.com/pkg/errors"
 	"github.com/spf13/cobra"
-	"golang.org/x/crypto/ssh/terminal"
+	"golang.org/x/term"
 	"sigs.k8s.io/yaml"
 
 	"helm.sh/helm/v3/cmd/helm/require"
@@ -136,7 +136,7 @@ func (o *repoAddOptions) run(out io.Writer) error {
 	if o.username != "" && o.password == "" {
 		fd := int(os.Stdin.Fd())
 		fmt.Fprint(out, "Password: ")
-		password, err := terminal.ReadPassword(fd)
+		password, err := term.ReadPassword(fd)
 		fmt.Fprintln(out)
 		if err != nil {
 			return err

go.mod

@@ -1,6 +1,6 @@
 module helm.sh/helm/v3
 
-go 1.14
+go 1.15
 
 require (
 	github.com/BurntSushi/toml v0.3.1
@@ -36,19 +36,19 @@ require (
 	github.com/stretchr/testify v1.7.0
 	github.com/xeipuuv/gojsonschema v1.2.0
 	golang.org/x/crypto v0.0.0-20201221181555-eec23a3978ad
-	k8s.io/api v0.20.1
-	k8s.io/apiextensions-apiserver v0.20.1
-	k8s.io/apimachinery v0.20.1
-	k8s.io/apiserver v0.20.1
-	k8s.io/cli-runtime v0.20.1
-	k8s.io/client-go v0.20.1
+	golang.org/x/term v0.0.0-20201117132131-f5c789dd3221
+	k8s.io/api v0.20.2
+	k8s.io/apiextensions-apiserver v0.20.2
+	k8s.io/apimachinery v0.20.2
+	k8s.io/apiserver v0.20.2
+	k8s.io/cli-runtime v0.20.2
+	k8s.io/client-go v0.20.2
 	k8s.io/klog/v2 v2.4.0
 	k8s.io/kubectl v0.20.1
 	sigs.k8s.io/yaml v1.2.0
 )
 
 replace (
-	github.com/Azure/go-autorest => github.com/Azure/go-autorest v13.3.2+incompatible
 	github.com/docker/distribution => github.com/docker/distribution v0.0.0-20191216044856-a8371794149d
 	github.com/docker/docker => github.com/moby/moby v17.12.0-ce-rc1.0.20200618181300-9dc6525e6118+incompatible
 )