tests/functional/migration: Fix bad indentation

pylint complains about bad indentation in two lines. Use 12 spaces
instead of 11 spaces to get it right.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20251027112347.54190-1-thuth@redhat.com>
1 file changed