Merge master into develop after publishing release 4.1.0

Update vars' description

…et supported.

Update readme to note that Proxmox VE 8.1 isn't supported yet.

    fix, chore: upgrade providers, add proxmox >8.1 compatibility, fix breaking changes, adjust disk sizes and names of the templates
    fix: add missing cloudinit drive, enable automatic_reboot on modify operation
    fix: update docker script to wait if apt-get is locked
    fix: add missing quotes around ssh_private_key in kubespray setup
    chore: bump kubespray_image, kube_version, argocd_version versions, add explicit sesnitive properties to ssh keys variables

…4-and-fix-scripts

    Make template compatible with Proxmox 8.2.4, fix issues across template

…pdate-var

Add CODEOWNERS file, reformat TF files, and update README.md