chore: upgrade coredns version (#550)

vendor/github.com/aws/smithy-go/private/requestcompression/gzip.go

@@ -0,0 +1,30 @@
+package requestcompression
+
+import (
+	"bytes"
+	"compress/gzip"
+	"fmt"
+	"io"
+)
+
+func gzipCompress(input io.Reader) ([]byte, error) {
+	var b bytes.Buffer
+	w, err := gzip.NewWriterLevel(&b, gzip.DefaultCompression)
+	if err != nil {
+		return nil, fmt.Errorf("failed to create gzip writer, %v", err)
+	}
+
+	inBytes, err := io.ReadAll(input)
+	if err != nil {
+		return nil, fmt.Errorf("failed read payload to compress, %v", err)
+	}
+
+	if _, err = w.Write(inBytes); err != nil {
+		return nil, fmt.Errorf("failed to write payload to be compressed, %v", err)
+	}
+	if err = w.Close(); err != nil {
+		return nil, fmt.Errorf("failed to flush payload being compressed, %v", err)
+	}
+
+	return b.Bytes(), nil
+}