Convoy Changes

26.6.9

Improvements

• refactor(dataplane): remove delete-query retention and its feature flag (#2753)
• ci(infra): auto-merge convoy-cloud staging bumps via cloud bots (#2762)

Bug Fixes

• fix(controlplane): swap transactional email header logo (#2761)
• fix(build): refactor docker install script (#2711)
• fix(controlplane): harden ingest verifier fallback, retry scoping, bulk onboard and billing update (#2754)