bump containers/image to v5.0.0, buildah to v1.11.4

Move to containers/image v5 and containers/buildah to v1.11.4.

Replace an equality check with a type assertion when checking for a
docker.ErrUnauthorizedForCredentials in `podman login`.

Signed-off-by: Nalin Dahyabhai <nalin@redhat.com>

vendor/github.com/containers/image/v5/docker/cache.go

@@ -0,0 +1,23 @@
+package docker
+
+import (
+	"github.com/containers/image/v5/docker/reference"
+	"github.com/containers/image/v5/types"
+)
+
+// bicTransportScope returns a BICTransportScope appropriate for ref.
+func bicTransportScope(ref dockerReference) types.BICTransportScope {
+	// Blobs can be reused across the whole registry.
+	return types.BICTransportScope{Opaque: reference.Domain(ref.ref)}
+}
+
+// newBICLocationReference returns a BICLocationReference appropriate for ref.
+func newBICLocationReference(ref dockerReference) types.BICLocationReference {
+	// Blobs are scoped to repositories (the tag/digest are not necessary to reuse a blob).
+	return types.BICLocationReference{Opaque: ref.ref.Name()}
+}
+
+// parseBICLocationReference returns a repository for encoded lr.
+func parseBICLocationReference(lr types.BICLocationReference) (reference.Named, error) {
+	return reference.ParseNormalizedNamed(lr.Opaque)
+}