reading the latest certbot documentations at Getting certificates -> webroot, for using the webroot plugin it seems essential to configure the web server as suggested:
Note that to use the webroot plugin, your server must be configured to serve
files from hidden directories. If /.well-known is treated specially by
your webserver configuration, you might need to modify the configuration
to ensure that files inside /.well-known/acme-challenge are served by
the documentation does not seem to me very clear on this aspect,
would you be kind enough to clarify this step? In my case using Apache2.