I use GitHub Actions for only one thing, which is to automatically assign any issues to myself (by using the "gh" program), and I am not paying anything for it. Furthermore, the repositories that use this are all public (I do not have any private repositories on GitHub, and due to various things I will not do that).

As far as I can tell from that article, these changes will not affect me; it says "Standard GitHub-hosted or self-hosted runner usage on public repositories will remain free" and another section says "This will not impact Actions usage in public repositories". Hopefully, this information would behelpful for other people who use GitHub Actions. However, I don't know if I missed something else that is important, from the article.