I will just reiterate that this email appears to have been sent to a broader set of creators than intended. If your country is still supported per the official list https://support.brave.com/hc/en-us/articles/9884338155149, then please disregard this email. The Creators Team is actively investigating.
In the meantime, you can always log in to creators.brave.com and check if there are any notices regarding your connection to Uphold/Gemini.