docs: Update changelog for release

refactor: Make PublishPacket payload field required and type as bytes

refactor: Type ConnectPacket's password field as bytes

docs: Update changelog for release

refactor: Use bounded ReadCursor to enforce remaining length

refactor: Pass memoryview instead of bytearray to read()

build: Bump PyO3 version

build: Bump dev dependencies

docs: Add chart Vega Lite schema

build: Bump dev dependencies

docs: Update benchmark chart

docs: Add CHANGELOG.md hint to release checklist

build: Bump PyO3 version

docs: Make QoS level refs consistent

fix: Add user properties to SubscribePacket