Stable v2.10.30

• docs: add v2026.10.16.02 pill to testing changelog index
• fix(dashboard): guard nested pending_os_updates access to stop admin dashboard crash
• feat(dashboard): paginate and sort the resource hotspots table
• fix(dashboard): use i18next plural forms for OS-updates badge count
• feat(dashboard): show pending OS updates badge in welcome banner
• fix(settings): wrap WarningPolicySection in DataCard for consistent spacing
• feat(notifications): add admin UI toggle for digest consolidation