proxmox: support param `timezone` when creating container (#6510)
* proxmox: support param `timezone` when creating container
* add changelog fragments for #6510
* Apply suggestions from code review
Co-authored-by: Felix Fontein <felix@fontein.de>
* Improved param description
* Use major.minor version comparison for options
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Co-authored-by: Felix Fontein <felix@fontein.de>
Co-authored-by: Sergei Antipov <s.antipov@mulesoft.com>
(cherry picked from commit f71a474726)
Co-authored-by: nxet <nxet821@protonmail.com>
