[proxmox_vm_info] Return empty list when requested VM doesn't exist (#7049)
* [proxmox_vm_info] Return empty list when requested VM doesn't exist
* Update documentation
* Add changelog fragment
* Address review comments
* Allow to filter by empty name
* Update plugins/modules/proxmox_vm_info.py
Co-authored-by: Felix Fontein <felix@fontein.de>
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Co-authored-by: Felix Fontein <felix@fontein.de>
(cherry picked from commit 2089769ccc)
Co-authored-by: Sergei Antipov <greendayonfire@gmail.com>
