wip: vendor: update buildkit to master@7e4280003fa5

Signed-off-by: Justin Chadwell <me@jedevc.com>

vendor/github.com/Microsoft/hcsshim/internal/hcserror/doc.go

@@ -0,0 +1 @@
+package hcserror

vendor/github.com/Microsoft/hcsshim/internal/hcserror/hcserror.go

@@ -0,0 +1,52 @@
+//go:build windows
+
+package hcserror
+
+import (
+	"errors"
+	"fmt"
+
+	"golang.org/x/sys/windows"
+)
+
+type HcsError struct {
+	title string
+	rest  string
+	Err   error
+}
+
+func (e *HcsError) Error() string {
+	s := e.title
+	if len(s) > 0 && s[len(s)-1] != ' ' {
+		s += " "
+	}
+	s += fmt.Sprintf("failed in Win32: %s (0x%x)", e.Err, Win32FromError(e.Err))
+	if e.rest != "" {
+		if e.rest[0] != ' ' {
+			s += " "
+		}
+		s += e.rest
+	}
+	return s
+}
+
+func New(err error, title, rest string) error {
+	// Pass through DLL errors directly since they do not originate from HCS.
+	var e *windows.DLLError
+	if errors.As(err, &e) {
+		return err
+	}
+	return &HcsError{title, rest, err}
+}
+
+func Win32FromError(err error) uint32 {
+	var herr *HcsError
+	if errors.As(err, &herr) {
+		return Win32FromError(herr.Err)
+	}
+	var code windows.Errno
+	if errors.As(err, &code) {
+		return uint32(code)
+	}
+	return uint32(windows.ERROR_GEN_FAILURE)
+}