Debian 11 support

[ramereth]

:speaking_head: Foreword

Debian 11 support needs to be completed and doesn't pass CI currently

:ghost: Brief Description

A clear and concise description of what the bug is.

:pancakes: Cookbook version

Version of the cookbook where you are encountering the issue.

:woman_cook: Chef-Infra Version

Version of chef-client in your environment.

:tophat: Platform details

Operating system distribution and release version. Cloud provider if running in the cloud.

Steps To Reproduce

Steps to reproduce the behavior:

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

:police_car: Expected behavior

A clear and concise description of what you expected to happen.

:heavy_plus_sign: Additional context

Add any other context about the problem here. e.g. related issues or existing pull requests.