docs: Superset 6.1 documentation catch-up (security, alerts/reports, theming, config) (#39440)

Co-authored-by: Superset Dev <dev@superset.apache.org>
Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>

Evan Rusackas committed 25d ago

b8995561300cd9854a65fee558e54e792bb1899d

Parent: 2f82236

Committed by GitHub <noreply@github.com> on 5/8/2026, 5:11:09 PM