The following actions uses node12 which is deprecated and will be forced to run on node16: actions/checkout@v2, seanmiddleditch/gha-setup-ninja@master, dlang-community/setup-dlang@v1.1.1. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/