Bump github.com/containers/storage from 1.26.0 to 1.29.0

Bumps [github.com/containers/storage](https://github.com/containers/storage) from 1.26.0 to 1.29.0.
- [Release notes](https://github.com/containers/storage/releases)
- [Changelog](https://github.com/containers/storage/blob/master/docs/containers-storage-changes.md)
- [Commits](https://github.com/containers/storage/compare/v1.26.0...v1.29.0)

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

vendor/github.com/klauspost/compress/zstd/encoder.go

@@ -106,7 +106,7 @@ func (e *Encoder) Reset(w io.Writer) {
 		s.encoder = e.o.encoder()
 	}
 	if s.writing == nil {
-		s.writing = &blockEnc{}
+		s.writing = &blockEnc{lowMem: e.o.lowMem}
 		s.writing.init()
 	}
 	s.writing.initNewEncode()
@@ -176,6 +176,12 @@ func (e *Encoder) nextBlock(final bool) error {
 	}
 	if !s.headerWritten {
 		// If we have a single block encode, do a sync compression.
+		if final && len(s.filling) == 0 && !e.o.fullZero {
+			s.headerWritten = true
+			s.fullFrameWritten = true
+			s.eofWritten = true
+			return nil
+		}
 		if final && len(s.filling) > 0 {
 			s.current = e.EncodeAll(s.filling, s.current[:0])
 			var n2 int
@@ -471,7 +477,7 @@ func (e *Encoder) EncodeAll(src, dst []byte) []byte {
 	}
 
 	// If less than 1MB, allocate a buffer up front.
-	if len(dst) == 0 && cap(dst) == 0 && len(src) < 1<<20 {
+	if len(dst) == 0 && cap(dst) == 0 && len(src) < 1<<20 && !e.o.lowMem {
 		dst = make([]byte, 0, len(src))
 	}
 	dst, err := fh.appendTo(dst)