vendor: update buildkit to master@9624ab4

Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>

vendor/github.com/docker/docker/pkg/system/exitcode.go

@@ -1,19 +0,0 @@
-package system // import "github.com/docker/docker/pkg/system"
-
-import (
-	"fmt"
-	"os/exec"
-	"syscall"
-)
-
-// GetExitCode returns the ExitStatus of the specified error if its type is
-// exec.ExitError, returns 0 and an error otherwise.
-func GetExitCode(err error) (int, error) {
-	exitCode := 0
-	if exiterr, ok := err.(*exec.ExitError); ok {
-		if procExit, ok := exiterr.Sys().(syscall.WaitStatus); ok {
-			return procExit.ExitStatus(), nil
-		}
-	}
-	return exitCode, fmt.Errorf("failed to get exit code")
-}

vendor/github.com/docker/docker/pkg/system/stat_windows.go

@@ -20,12 +20,12 @@ func (s StatT) Size() int64 {
 
 // Mode returns file's permission mode.
 func (s StatT) Mode() os.FileMode {
-	return os.FileMode(s.mode)
+	return s.mode
 }
 
 // Mtim returns file's last modification time.
 func (s StatT) Mtim() time.Time {
-	return time.Time(s.mtim)
+	return s.mtim
 }
 
 // Stat takes a path to a file and returns

vendor/github.com/docker/docker/pkg/system/umask.go

@@ -1,14 +0,0 @@
-//go:build !windows
-// +build !windows
-
-package system // import "github.com/docker/docker/pkg/system"
-
-import (
-	"golang.org/x/sys/unix"
-)
-
-// Umask sets current process's file mode creation mask to newmask
-// and returns oldmask.
-func Umask(newmask int) (oldmask int, err error) {
-	return unix.Umask(newmask), nil
-}

vendor/github.com/docker/docker/pkg/system/umask_windows.go

@@ -1,7 +0,0 @@
-package system // import "github.com/docker/docker/pkg/system"
-
-// Umask is not supported on the windows platform.
-func Umask(newmask int) (oldmask int, err error) {
-	// should not be called on cli code path
-	return 0, ErrNotSupportedPlatform
-}