Thank you so much! When you said it was working, I was thinking it might be a problem with my terminal, so I tried a different terminal and it worked just fine.
The other thing that I did is not importing the private key in TablePlus. By checking the “Use ssh” checkbox but leaving the field empty it uses the ssh config and seems to read from the ssh-agent. So as long as you have valid ssh keys in your agent you seem to be able to connect.
For some who tries to do the same, here is my config:
