The configuration generated by the module gives an error

Problem/Motivation

The configuration generated by the module gives an error when importing.

We are having this problem on the team where I working, in Drupal 9, we cannot import config once the module is installed.

Steps to reproduce

1. Install the module.
2. Export the configuration (This generate the cloudflare_purge_form.settings file).
3. Import the config.

Proposed resolution

Rename de setting config file.

Remaining tasks

Create MR or patch.