Sadly, reading and thinking, which is half of a programmers job, is often undervalued
I believe you can build and publish IOS apps using GitHub Actions without requiring a Mac. Take a look at this article. I don’t have much experience with building apps for IOS, so I could be wrong. Hope this helps.
Damn that sucks. I had a similar experience with adding a keyboard layout for the game Beyond All Reason. After I submitted my pull request, it took them a year to add it to the game and didn’t even use my commit. At least they credited me in their own commit.