Bump libcompose and its dependencies

vendor/github.com/docker/distribution/manifests.go

@@ -53,12 +53,18 @@ type ManifestService interface {
 	// Delete removes the manifest specified by the given digest. Deleting
 	// a manifest that doesn't exist will return ErrManifestNotFound
 	Delete(ctx context.Context, dgst digest.Digest) error
+}
 
-	// Enumerate fills 'manifests' with the manifests in this service up
-	// to the size of 'manifests' and returns 'n' for the number of entries
-	// which were filled.  'last' contains an offset in the manifest set
-	// and can be used to resume iteration.
-	//Enumerate(ctx context.Context, manifests []Manifest, last Manifest) (n int, err error)
+// ManifestEnumerator enables iterating over manifests
+type ManifestEnumerator interface {
+	// Enumerate calls ingester for each manifest.
+	Enumerate(ctx context.Context, ingester func(digest.Digest) error) error
+}
+
+// SignaturesGetter provides an interface for getting the signatures of a schema1 manifest. If the digest
+// referred to is not a schema1 manifest, an error should be returned.
+type SignaturesGetter interface {
+	GetSignatures(ctx context.Context, manifestDigest digest.Digest) ([]digest.Digest, error)
 }
 
 // Describable is an interface for descriptors
@@ -81,7 +87,7 @@ type UnmarshalFunc func([]byte) (Manifest, Descriptor, error)
 
 var mappings = make(map[string]UnmarshalFunc, 0)
 
-// UnmarshalManifest looks up manifest unmarshall functions based on
+// UnmarshalManifest looks up manifest unmarshal functions based on
 // MediaType
 func UnmarshalManifest(ctHeader string, p []byte) (Manifest, Descriptor, error) {
 	// Need to look up by the actual media type, not the raw contents of