Add ServerVersion to docker client interface which is needed by imgutil

Signed-off-by: Jerico Pena <[email protected]>

pkg/client/docker.go

@@ -21,6 +21,7 @@ type DockerClient interface {
 	ImageRemove(ctx context.Context, image string, options types.ImageRemoveOptions) ([]types.ImageDeleteResponseItem, error)
 	ImagePull(ctx context.Context, ref string, options types.ImagePullOptions) (io.ReadCloser, error)
 	Info(ctx context.Context) (types.Info, error)
+	ServerVersion(ctx context.Context) (types.Version, error)
 	VolumeRemove(ctx context.Context, volumeID string, force bool) error
 	ContainerCreate(ctx context.Context, config *containertypes.Config, hostConfig *containertypes.HostConfig, networkingConfig *networktypes.NetworkingConfig, platform *specs.Platform, containerName string) (containertypes.CreateResponse, error)
 	CopyFromContainer(ctx context.Context, container, srcPath string) (io.ReadCloser, types.ContainerPathStat, error)