Bump github.com/containers/image/v5 from 5.15.2 to 5.16.0

Bumps [github.com/containers/image/v5](https://github.com/containers/image) from 5.15.2 to 5.16.0.
- [Release notes](https://github.com/containers/image/releases)
- [Commits](https://github.com/containers/image/compare/v5.15.2...v5.16.0)

---
updated-dependencies:
- dependency-name: github.com/containers/image/v5
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

vendor/github.com/containers/image/v5/internal/putblobdigest/put_blob_digest.go

@@ -0,0 +1,57 @@
+package putblobdigest
+
+import (
+	"io"
+
+	"github.com/containers/image/v5/types"
+	"github.com/opencontainers/go-digest"
+)
+
+// Digester computes a digest of the provided stream, if not known yet.
+type Digester struct {
+	knownDigest digest.Digest   // Or ""
+	digester    digest.Digester // Or nil
+}
+
+// newDigester initiates computation of a digest.Canonical digest of stream,
+// if !validDigest; otherwise it just records knownDigest to be returned later.
+// The caller MUST use the returned stream instead of the original value.
+func newDigester(stream io.Reader, knownDigest digest.Digest, validDigest bool) (Digester, io.Reader) {
+	if validDigest {
+		return Digester{knownDigest: knownDigest}, stream
+	} else {
+		res := Digester{
+			digester: digest.Canonical.Digester(),
+		}
+		stream = io.TeeReader(stream, res.digester.Hash())
+		return res, stream
+	}
+}
+
+// DigestIfUnknown initiates computation of a digest.Canonical digest of stream,
+// if no digest is supplied in the provided blobInfo; otherwise blobInfo.Digest will
+// be used (accepting any algorithm).
+// The caller MUST use the returned stream instead of the original value.
+func DigestIfUnknown(stream io.Reader, blobInfo types.BlobInfo) (Digester, io.Reader) {
+	d := blobInfo.Digest
+	return newDigester(stream, d, d != "")
+}
+
+// DigestIfCanonicalUnknown initiates computation of a digest.Canonical digest of stream,
+// if a digest.Canonical digest is not supplied in the provided blobInfo;
+// otherwise blobInfo.Digest will be used.
+// The caller MUST use the returned stream instead of the original value.
+func DigestIfCanonicalUnknown(stream io.Reader, blobInfo types.BlobInfo) (Digester, io.Reader) {
+	d := blobInfo.Digest
+	return newDigester(stream, d, d != "" && d.Algorithm() == digest.Canonical)
+}
+
+// Digest() returns a digest value possibly computed by Digester.
+// This must be called only after all of the stream returned by a Digester constructor
+// has been successfully read.
+func (d Digester) Digest() digest.Digest {
+	if d.digester != nil {
+		return d.digester.Digest()
+	}
+	return d.knownDigest
+}