cookie_content_blocker_media.settings install config data does not match its configuration schema

Problem/Motivation

Installing the cookie_content_blocker_media submodule adds the following cookie_content_blocker_media.settings.yml:

providers: null

However, this trigger the following configuration schema error:

variable type is NULL but applied schema class is Drupal\Core\Config\Schema\Sequence

Steps to reproduce

1. Install modules: config_inspector, cookie_content_blocker_media
2. Visit /admin/reports/config-inspector/cookie_content_blocker_media.settings/list

Proposed resolution

Update cookie_content_blocker_media.settings.yml so its data matches its configuration schema.

Remaining tasks

1. Write a patch
2. Review
3. Commit

User interface changes

None.

API changes

None.

Data model changes

None.