Test media config fails on Drupal 10

[tonypaulbarker]

Test config module was introduced in #320
LocalGov Blogs tests report the media config is already present.

[tonypaulbarker]

In the first instance, try a recipe flavour of the test module instead.

[tonypaulbarker]

Moved to drupal.org https://www.drupal.org/project/localgov/issues/3566368