Bitwarden settings for Excluded Domains in DuckDuckGo browser

Where can I set Bitwarden settings for the DuckDuckGo browser?

In other browsers I can set excluded domains in the browser extension, but I can’t seem to find this (and other) settings anywhere in either the DuckDuckGo browser or in Bitwarden Desktop.
For example, I would like to exclude (so that every time I update an entry in the web vault, it doesn’t offer to overwrite my entry for But there is nowhere I can find that setting.