Bump github.com/containers/buildah from 1.11.4 to 1.11.5

Bumps [github.com/containers/buildah](https://github.com/containers/buildah) from 1.11.4 to 1.11.5.
- [Release notes](https://github.com/containers/buildah/releases)
- [Changelog](https://github.com/containers/buildah/blob/master/CHANGELOG.md)
- [Commits](https://github.com/containers/buildah/compare/v1.11.4...v1.11.5)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>

vendor/github.com/Microsoft/hcsshim/internal/oc/span.go

@@ -0,0 +1,17 @@
+package oc
+
+import (
+	"go.opencensus.io/trace"
+)
+
+// SetSpanStatus sets `span.SetStatus` to the proper status depending on `err`. If
+// `err` is `nil` assumes `trace.StatusCodeOk`.
+func SetSpanStatus(span *trace.Span, err error) {
+	status := trace.Status{}
+	if err != nil {
+		// TODO: JTERRY75 - Handle errors in a non-generic way
+		status.Code = trace.StatusCodeUnknown
+		status.Message = err.Error()
+	}
+	span.SetStatus(status)
+}