Log Message:
rabbitmq: updated to 3.8.9

RabbitMQ 3.8.9 is a maintenance release.
It focuses on bug fixes and usability improvements.

RabbitMQ 3.8.8 is a maintenance release.
It focuses on bug fixes and usability improvements.

This releases introduces a new node operation mode, called the maintenance mode.
This feature is useful when performing rolling upgrades and is covered
in more detail below.

RabbitMQ 3.8.7 is a maintenance release that patches
a security vulnerability.

RabbitMQ 3.8.6 is a maintenance release.
It focuses on bug fixes and usability improvements.

RabbitMQ 3.8.5 is a maintenance release.
It focuses on bug fixes and usability improvements.

RabbitMQ 3.8.4 is a maintenance release. It focuses on bug fixes and usability
improvements. etcd peer discovery plugin includes potentially breaking changes \ 
which are covered in detail below.