The issue reported in this thread (shadow map not reflecting the skinned animation) is fixed now 
The shadow will correctly show the animation (both in editor and in game).
The fix was done in this commit: Fix shadow map showing skinned animation 路 castle-engine/castle-engine@d7260d2 路 GitHub
As usual, the downloads will automatically be updated to contain the fix in a few hours. You can watch this page, when it will no longer contain the commit titled "Fix shadow map showing skinned animation" then this fix is part of the downloads.