Is your VM a HAOS VM? If yes things would be a lot easier.
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I searched around, there are youtube videos out there specifically for this install.
This is from 4 months ago, walking you through how you do Z2M with conbee(2?)
How to Install Zigbee2MQTT in Home Assistant - TUTORIAL - NEW VERSION - YouTube
However 3 weeks ago, the same guy is saying the combination is not ideal:
Zigbee2MQTT with Conbee 2 Not a Happy Marriage - YouTube
So he got another (and newer) adapter… you can get a sonoff stick for 15 ~ 20 euros
How to Install Zigbee2MQTT with the Sonoff ZBDongle E in Home Assistant - Tutorial - YouTube