Re-record golden snapshots after upstream cascade

The D9 z-score threshold change (two-tailed → one-tailed) combined
with upstream fixes cascaded into this branch changed the repness
output enough to invalidate the vw golden snapshot. Biodiversity
re-recorded too for consistency.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: jucor