chore: fix linting errors (#91)

pkg/attest/example_sign_test.go

@@ -13,7 +13,7 @@ import (
 	"github.com/google/go-containerregistry/pkg/v1/mutate"
 )
 
-func ExampleSign_remote() {
+func ExampleSignStatements_remote() {
 	// configure signerverifier
 	// local signer (unsafe for production)
 	signer, err := signerverifier.GenKeyPair()

pkg/oci/oci.go

@@ -6,7 +6,7 @@ import (
 	"fmt"
 	"strings"
 
-	"github.com/containerd/containerd/platforms"
+	"github.com/containerd/platforms"
 	"github.com/distribution/reference"
 	"github.com/docker/attest/pkg/attestation"
 	att "github.com/docker/attest/pkg/attestation"

pkg/oci/referrers.go

@@ -12,7 +12,6 @@ import (
 )
 
 type ReferrersResolver struct {
-	digest        string
 	referrersRepo string
 	manifests     []*attestation.AttestationManifest
 	ImageDetailsResolver

pkg/tuf/registry_test.go

@@ -22,7 +22,6 @@ import (
 	"github.com/google/go-containerregistry/pkg/v1/static"
 	"github.com/google/go-containerregistry/pkg/v1/types"
 	"github.com/stretchr/testify/assert"
-	"github.com/testcontainers/testcontainers-go"
 	"github.com/testcontainers/testcontainers-go/modules/registry"
 	"github.com/theupdateframework/go-tuf/v2/metadata"
 	"github.com/theupdateframework/go-tuf/v2/metadata/config"
@@ -342,7 +341,7 @@ func TestGetManifest(t *testing.T) {
 
 // RunTestRegistry starts a registry testcontainer for TUF on OCI testdata
 func RunTestRegistry(t *testing.T) (*registry.RegistryContainer, *url.URL) {
-	registryContainer, err := registry.RunContainer(context.Background(), testcontainers.WithImage("registry:2.8.3"))
+	registryContainer, err := registry.Run(context.Background(), "registry:2.8.3")
 	if err != nil {
 		t.Fatalf("failed to start container: %s", err)
 	}