mailu/setup/flavors/compose
bors[bot] f0188d9623
Merge
2034: Add timezone to containers r=mergify[bot] a=DjVinnii

## What type of PR?

Enhancement

## What does this PR do?
This PR adds the tzdata package so that the environment variable `TZ` can be used to set the timezone of containers.

### Related issue(s)
- closes  

## Prerequisites
Before we can consider review and merge, please make sure the following list is done and checked.
If an entry in not applicable, you can check it or remove it from the list.

- [x] In case of feature or enhancement: documentation updated accordingly
- [x] Unless it's docs or a minor change: add [changelog](https://mailu.io/master/contributors/workflow.html#changelog) entry file.


Co-authored-by: DjVinnii <vincentkling@msn.com>
..
docker-compose.yml The DKIM folder isn't required for rspamd
mailu.env Move TZ to Advanced settings
setup.html Force setup-file download scheme to HTTPS