Update docker.io/rabbitmq Docker tag to v4.2.3

Update docker.io/rabbitmq Docker tag to v4.2.3
Photo by Ансплэш Степана / Unsplash

No problems upgrading the Docker container with a Docker compose yaml file by means of Watchtower DevOps resp. GitOps with dependency update facilitated by Mend's Renovate Bot.

This MR contains the following updates:

Package Update Change
docker.io/rabbitmq patch 4.2.2-management4.2.3-management
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