Revert "CI: update tarballs to newest zig+llvm"

This reverts commit 83b73e1e360a305aae38e1acce147de07f66a43a.

Oops. I forgot that 0.11.x is on LLVM 16, not 17.
bab328d5e8Andrew Kelley committed on 1/29/2024, 9:32:11 PMparent612b177
9 files changedLine totals unavailable