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/pkg/compression/internal/types.go

@@ -0,0 +1,57 @@
+package internal
+
+import "io"
+
+// CompressorFunc writes the compressed stream to the given writer using the specified compression level.
+// The caller must call Close() on the stream (even if the input stream does not need closing!).
+type CompressorFunc func(io.Writer, *int) (io.WriteCloser, error)
+
+// DecompressorFunc returns the decompressed stream, given a compressed stream.
+// The caller must call Close() on the decompressed stream (even if the compressed input stream does not need closing!).
+type DecompressorFunc func(io.Reader) (io.ReadCloser, error)
+
+// Algorithm is a compression algorithm that can be used for CompressStream.
+type Algorithm struct {
+	name         string
+	prefix       []byte
+	decompressor DecompressorFunc
+	compressor   CompressorFunc
+}
+
+// NewAlgorithm creates an Algorithm instance.
+// This function exists so that Algorithm instances can only be created by code that
+// is allowed to import this internal subpackage.
+func NewAlgorithm(name string, prefix []byte, decompressor DecompressorFunc, compressor CompressorFunc) Algorithm {
+	return Algorithm{
+		name:         name,
+		prefix:       prefix,
+		decompressor: decompressor,
+		compressor:   compressor,
+	}
+}
+
+// Name returns the name for the compression algorithm.
+func (c Algorithm) Name() string {
+	return c.name
+}
+
+// AlgorithmCompressor returns the compressor field of algo.
+// This is a function instead of a public method so that it is only callable from by code
+// that is allowed to import this internal subpackage.
+func AlgorithmCompressor(algo Algorithm) CompressorFunc {
+	return algo.compressor
+}
+
+// AlgorithmDecompressor returns the decompressor field of algo.
+// This is a function instead of a public method so that it is only callable from by code
+// that is allowed to import this internal subpackage.
+func AlgorithmDecompressor(algo Algorithm) DecompressorFunc {
+	return algo.decompressor
+}
+
+// AlgorithmPrefix returns the prefix field of algo.
+// This is a function instead of a public method so that it is only callable from by code
+// that is allowed to import this internal subpackage.
+func AlgorithmPrefix(algo Algorithm) []byte {
+	return algo.prefix
+}