bump buildah to latest

Also includes a small change to make us of
https://github.com/containers/buildah/pull/5039

Signed-off-by: Paul Holzinger <pholzing@redhat.com>

vendor/github.com/containers/buildah/define/build.go

@@ -163,6 +163,10 @@ type BuildOptions struct {
 	// It allows end user to export recently built rootfs into a directory or tar.
 	// See the documentation of 'buildah build --output' for the details of the format.
 	BuildOutput string
+	// ConfidentialWorkload controls whether or not, and if so, how, we produce an
+	// image that's meant to be run using krun as a VM instead of a conventional
+	// process-type container.
+	ConfidentialWorkload ConfidentialWorkloadOptions
 	// Additional tags to add to the image that we write, if we know of a
 	// way to add them.
 	AdditionalTags []string
@@ -244,6 +248,8 @@ type BuildOptions struct {
 	Squash bool
 	// Labels metadata for an image
 	Labels []string
+	// LayerLabels metadata for an intermediate image
+	LayerLabels []string
 	// Annotation metadata for an image
 	Annotations []string
 	// OnBuild commands to be run by images based on this image