Add v4.0.13

[ayufan]

No description provided.

[github-actions]

✅ Docker image pushed: ayufan/proxmox-backup-server-tests:github-pr-88

[ayufan]

cc @DjSni

[DjSni]

cc @DjSni

@ayufan Looks good:

Unable to open syslog: Os { code: 2, kind: NotFound, message: "No such file or directory" }
Error: mkstemp "/run/proxmox-backup/proxy.tmp_XXXXXX" failed: ENOENT: No such file or directory
Unable to open syslog: Os { code: 2, kind: NotFound, message: "No such file or directory" }
catching shutdown signal    
catching reload signal    
Unable to open syslog: Os { code: 2, kind: NotFound, message: "No such file or directory" }
catching shutdown signal    
catching reload signal    
applied rrd journal (673 entries in 0.014 seconds)    
rrd journal successfully committed (15 files in 0.108 seconds)    
PROXY: Starting...
CRON: Starting...
/etc/proxmox-backup is a mountpoint
/var/lib/proxmox-backup is a mountpoint
/var/log/proxmox-backup is a mountpoint
/run is a mountpoint
API: Starting...
PROXY: Starting...
```