[Image Update] Add docker rootless mode to Azure Cloud Shell

Thank you for filing this request! Please take a few minutes to fill out this template so that we can better understand the request.

#### Which image would you like to change?
The base image for cloud shell
#### What changes are you requesting?
Please add docker in rootless mode to the azure cloud shell base image - https://docs.docker.com/engine/security/rootless/#install
#### What scenario are these changes enabling?
This scenario enables scripts to be ran in cloud shell against Azure infrastructure that leverages docker commands, docker images, etc. Also this scenario would enable admins to interact with an Azure Container Registry with docker.
#### By how much does this change change the image size?
Nominal.

Commencez par l’image de base Azure Cloud Shell et les instructions d’installation de rootless-mode de Docker liées dans la demande. Ajoutez rootless Docker à l’image, puis vérifiez que les commandes Docker et les images Docker fonctionnent dans Cloud Shell pour les scénarios d’infrastructure Azure et Azure Container Registry.

Rédigé par le modèle d'indexation à partir du texte de l'issue.