Upgrade github.com/klauspost/compress from v1.11.13 to v1.15.9

The package has multiple improvements and bug fixes.

Signed-off-by: Kazuyoshi Kato <katokazu@amazon.com>

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

@@ -11,7 +11,7 @@ import (
 	"io"
 
 	"github.com/klauspost/compress/huff0"
-	"github.com/klauspost/compress/snappy"
+	snappy "github.com/klauspost/compress/internal/snapref"
 )
 
 const (
@@ -185,7 +185,6 @@ func (r *SnappyConverter) Convert(in io.Reader, w io.Writer) (int64, error) {
 				r.block.reset(nil)
 				r.block.literals, err = snappy.Decode(r.block.literals[:n], r.buf[snappyChecksumSize:chunkLen])
 				if err != nil {
-					println("snappy.Decode:", err)
 					return written, err
 				}
 				err = r.block.encodeLits(r.block.literals, false)
@@ -204,7 +203,7 @@ func (r *SnappyConverter) Convert(in io.Reader, w io.Writer) (int64, error) {
 			written += int64(n)
 			continue
 		case chunkTypeUncompressedData:
-			if debug {
+			if debugEncoder {
 				println("Uncompressed, chunklen", chunkLen)
 			}
 			// Section 4.3. Uncompressed data (chunk type 0x01).
@@ -247,7 +246,7 @@ func (r *SnappyConverter) Convert(in io.Reader, w io.Writer) (int64, error) {
 			continue
 
 		case chunkTypeStreamIdentifier:
-			if debug {
+			if debugEncoder {
 				println("stream id", chunkLen, len(snappyMagicBody))
 			}
 			// Section 4.1. Stream identifier (chunk type 0xff).