[clang] [llvm] Build release binaries for multiple targets (PR #98431)

[Tobias Hieta via llvm-commits]

tru wrote:

Hmm. It's a bit worrying that we can't have the tests running... I wonder what the workflow would be here since we need to verify before we run the binaries. What's the problem with the tests currently?

https://github.com/llvm/llvm-project/pull/98431