Merge pull request 'std: delete `os.environ`, `os.argv`, add new parameter to `main`, move process API to `std.Io`' (#30644) from juice into master

Reviewed-on: https://codeberg.org/ziglang/zig/pulls/30644
de25a6ffeeAndrew Kelley committed on 1/4/2026, 8:28:33 AMparents86a9a90ef1ddbe
64 files changedLine totals unavailable