package/lua-silva: bump to version 0.2.1
diff COPYRIGHT:
-Copyright (C) 2017-2023 Francois Perrad.
+Copyright (C) 2017-2024 Francois Perrad.
Signed-off-by: Francois Perrad <francois.perrad@gadz.org>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>