v2.3.0-RC3

• fix restart timers after change leader by @pfi79 in https://github.com/SmartBFT-Go/consensus/pull/477
• the number of wal-files will decrease by @pfi79 in https://github.com/SmartBFT-Go/consensus/pull/480
• Abort background routine when test ends by @yacovm in https://github.com/SmartBFT-Go/consensus/pull/485
• Delete in-flight when syncing past the in-flight sequence by @yacovm in https://github.com/SmartBFT-Go/consensus/pull/481
• Synchronize Sync and view change proposal deliver to prevent a double commit by @yacovm in https://github.com/SmartBFT-Go/consensus/pull/484
• Properly handle ticks when waiting for In-Flight view to finish by @yacovm in https://github.com/SmartBFT-Go/consensus/pull/486

Full Changelog: SmartBFT-Go/consensus@0.1...v2.3.0-RC3