Deploying to droplet with git

I’ve followed the article here: https://www.digitalocean.com/community/tutorials/how-to-set-up-automatic-deployment-with-git-with-a-vps

But when trying to push it just stops here:

RC@DESKTOP-QU1JT41 MINGW64 ~/Documents/Nodejs Course/server (master)
$ git push live master
The server's host key is not cached in the registry. You
have no guarantee that the server is the computer you
think it is.
The server's ssh-ed25519 key fingerprint is:
SERVER FINGER PRINT IS HERE
If you trust this host, enter "y" to add the key to
PuTTY's cache and carry on connecting.
If you want to carry on connecting just once, without
adding the key to the cache, enter "n".
If you do not trust this host, press Return to abandon the
connection.
Store key in cache? (y/n) y