I updated to VyOS 1.5-rolling-202405121403 and the open-vm-tools are working again.
root@vyos:~# systemctl status open-vm-tools
β open-vm-tools.service - Service for virtual machines hosted on VMware
Loaded: loaded (/lib/systemd/system/open-vm-tools.service; enabled; preset: enabled)
Active: active (running) since Tue 2024-05-14 07:43:57 CEST; 1min 5s ago
Docs: http://open-vm-tools.sourceforge.net/about.php
Main PID: 639 (vmtoolsd)
Tasks: 3 (limit: 2337)
Memory: 9.6M
CPU: 318ms
CGroup: /system.slice/open-vm-tools.service
ββ639 /usr/bin/vmtoolsd
May 14 07:43:57 localhost.localdomain systemd[1]: Started open-vm-tools.service - Service for virtual machines hosted on VMware.