feat: Sanitize command name for fish shell to escape quotes

* Should produce something like
  ❯ complete -c poetry -A -n '__fish_seen_subcommand_from \'env remove\'' -l all -d 'Remove all managed virtual environments associated with the project.'

Author: riton

src/cleo/commands/completions_command.py

@@ -255,7 +255,7 @@ def sanitize(s: str) -> str:
                 f"# {command_name}",
                 *[
                     f"complete -c {script_name} -A "
-                    f"-n '__fish_seen_subcommand_from {command_name}' "
+                    f"-n '__fish_seen_subcommand_from {sanitize(command_name)}' "
                     f"-l {opt.name} -d '{sanitize(opt.description)}'"
                     for opt in sorted(cmd.definition.options, key=lambda o: o.name)
                 ],