chore(orgo): register orgo provider category in generated matrix

Regenerated internal/cli/provider_categories_generated.go via
scripts/generate-provider-matrix.mjs so the benchmark provider categories
include orgo (delegated-sandbox). Keeps scripts/check-docs.sh green after
rebasing onto latest main.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Author: zozo123