I experienced the same issue. Tried many times and many system restarts after updating to 13.0.1. It wasn't working until I unplugged my Plugable DisplayLink device from the back of my M1 iMac and plugged it back in. That so far appears to have resolved the issue for me.
Unsure if this was a DisplayLink issue or a DisplayPort issue, but at least it's working now.
I didn't have this problem when I upgraded to Ventura from the previous OS release.
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