Release v0.8.6

[elitegreg]

Changelog

Testnet checklist

• Notify DoubleZero Foundation of upcoming release (1 day patch, 2 days minor, 5 days major when possible)
• Deploy all components to devnet (daily all release includes QA) (trigger)
• PR version update in Cargo.toml, Cargo.lock, CHANGELOG.md
• Update versions in infra repo (example)
• Push tags for all components (plus a generic tag of 'v0.8.6') except client to trigger GH releases (trigger) and wait for releases to be published
• Deploy serviceability and telemetry programs to configure version onchain instructions
• Deploy all components to testnet except the client - see system metrics dashboard (use "mode to run = send-it") (trigger)
• Confirm user-facing CLI backward compatibility with serviceability program
• Push tag for client to trigger GH release
• Wait for client to build and release
• Deploy our clients and onchain data collectors (trigger)
• QA connect/disconnect workflows via unicast and multicast with traffic flow on our client nodes (trigger)
• Validate onchain collector is publishing to influx
• Publish release notes (update GH client/v0.8.6 release description)
• Post community announcement Slack/Discord - executed by foundation
  internal templates here
• Monitor dashboards for the next ~30 minutes watch for anomalies.

Mainnet-beta checklist

• Pause passport program and sentinel
• Upgrade passport program
• Resume passport program and sentinel
• Promote component packages from cloudsmith doublezero-testnet repo to doublezero repo (trigger)
• Deploy serviceability and telemetry programs to configure version onchain
• Execute doublezero init
• Update pinned versions in ansible (example)
• Deploy components (send-it mode) (trigger)
• Deploy clients (send-it mode) (trigger)
• Run QA workflow (trigger)
• Check dashboards for any issues.
• Update recommended version in docs