Update hcsshim tag to v0.10.0-rc.4

Signed-off-by: Kirtana Ashok <Kirtana.Ashok@microsoft.com>

vendor/github.com/Microsoft/hcsshim/internal/runhcs/container.go

@@ -7,7 +7,6 @@ import (
 	"errors"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"os"
 	"syscall"
 	"time"
@@ -42,7 +41,7 @@ type ContainerState struct {
 // returned success or error. If error converts that to an error and returns. If
 // `p` is not nill will issue a `Kill` and `Wait` for exit.
 func GetErrorFromPipe(pipe io.Reader, p *os.Process) error {
-	serr, err := ioutil.ReadAll(pipe)
+	serr, err := io.ReadAll(pipe)
 	if err != nil {
 		return err
 	}