build(deps): bump github.com/containers/image/v5 from 5.0.0 to 5.1.0

Bumps [github.com/containers/image/v5](https://github.com/containers/image) from 5.0.0 to 5.1.0.
- [Release notes](https://github.com/containers/image/releases)
- [Commits](https://github.com/containers/image/compare/v5.0.0...v5.1.0)

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

vendor/github.com/containers/image/v5/copy/encrypt.go

@@ -0,0 +1,24 @@
+package copy
+
+import (
+	"strings"
+
+	"github.com/containers/image/v5/types"
+)
+
+// isOciEncrypted returns a bool indicating if a mediatype is encrypted
+// This function will be moved to be part of OCI spec when adopted.
+func isOciEncrypted(mediatype string) bool {
+	return strings.HasSuffix(mediatype, "+encrypted")
+}
+
+// isEncrypted checks if an image is encrypted
+func isEncrypted(i types.Image) bool {
+	layers := i.LayerInfos()
+	for _, l := range layers {
+		if isOciEncrypted(l.MediaType) {
+			return true
+		}
+	}
+	return false
+}