pkgs/cli: Fix ssh logging

Fix the ssh logging level.
Currently the ssh commands is printed every time on an ssh connection.
While seeing the command is useful, we should print this when running
clan with the `--debug` flag.

pkgs/clan-cli/clan_lib/ssh/remote.py

@@ -433,7 +433,7 @@ class Remote:
                 "--",
                 " ".join(map(quote, command)),
             ]
-        cmdlog.info(
+        cmdlog.debug(
             f"{indent_command(ssh_cmd)}",
             extra={
                 "command_prefix": self.command_prefix,