Ansible 8 (based on ansible-core 2.15) reached EOL due to the release of Ansible 11 and ansible-core 2.18, and ansible-core 2.15 reached the end of critical update on 06 Nov 2023, end of security update on security on 20 May 2024 and EOL on Nov 2024. Reference: https://docs.ansible.com/ansible/latest/reference_appendices/release_and_maintenance.html#ansible-core-support-matrix

Ansible collections that use GitHub Actions from this repo and are maintained by the Ansible Network team should bump major versions and drop support of ansible-core<2.16.0.

However, updates in meta/runtime.yml with requires_ansible: '>=2.16.0' will cause sanity fail on test with stable-2.15 like:

Command "ansible-doc -l --json -t filter namespace.name" returned exit status 0.
>>> Standard Error
Warning: : Collection kubernetes.core does not support the Ansible version
2.15.13.post0

So, the EOL version of ansible-core is to be removed from the matrix.