v1.63.0

What's Changed

• chore: backfill CHANGELOG for 1.62.3 – 1.62.7 by @biagiodistefano in #490
• feat(stripe): hardening phase 1 — multi-secret verify, webhook event log, idempotent dispatch (#483) by @biagiodistefano in #491
• fix(stripe): replay idempotent task dispatches on duplicate webhooks (#483) by @biagiodistefano in #492
• feat(stripe): hardening phase 2 — pin API version + charge.refunded compat fix (#483) by @biagiodistefano in #493
• feat(stripe): hardening phase 3 — webhook endpoint provisioning command (#483) by @biagiodistefano in #494
• feat(stripe): hardening phase 4 — host-as-org binding + platform-self guard (#483) by @biagiodistefano in #495
• fix(admin): expose SocialMediaMixin fields in Organization admin by @biagiodistefano in #496

Full Changelog: v1.62.7...v1.63.0