Fix corrupted dense planner checkpoint

Replace the truncated zipmo_planner_dense.safetensors artifact with a regenerated and strictly validated checkpoint. Fixes CompVis/long-term-motion#2.

zipmo_planner_dense.safetensors

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:a6518190d697594c2fa5c1b2dd6cb3a2d80cccab5d3932ca6d72af16993ec269
-size 3393191936
+oid sha256:36794f06cdc8414935b5ac09a43285212a2c9cfd09e7d43904eb6ae8c52455f8
+size 3490461692