v2.1.0-alpha.869

Changes

• fix(#450): keep late endpoint flushes and test teardown off the update chain (ef7b5cd)
• test(#450): poll instead of fixed sleeps in the battery retry tests (59b9e12)
• fix(#450): retry battery auto-mapping and report honest charge state (a15466e)

⚠️ This is an alpha release - use at your own risk!