fix(docker): check the pull body close, as errcheck requires

Author: Lutherwaves

pkg/docker/image.go

@@ -33,7 +33,7 @@ func (b *Backend) ensureImage(ctx context.Context, ref string) error {
 	if err != nil {
 		return fmt.Errorf("%w: pull image %q: %w", sandbox.ErrImageUnavailable, ref, err)
 	}
-	defer body.Close()
+	defer func() { _ = body.Close() }()
 
 	// The pull is only complete once the response body is drained: the daemon
 	// streams progress and does the work as it is read, so returning early would