This issue is to make this module compatible with Drupal 11.
FILE: web/modules/custom/mautic_api/mautic_api.info.yml
STATUS LINE MESSAGE
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Check manually 4 Value of core_version_requirement: ^9 || ^10 is not
compatible with the next major version of Drupal core. See
https://drupal.org/node/3070687.
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Active
1.0
Code
I set the version to >=9 so it should make it easier moving forward. To get around patching api-library to work with D10 or D11 (see https://github.com/mautic/api-library/issues/273), I have set it to allow using the main branch.