[libcxx-commits] [libcxx] [libcxx] [test] Use `shlex.quote()` to fix Python 3.13 compatibility (PR #93376)

[Michał Górny via libcxx-commits]

mgorny wrote:

@ldionne, do you think we could backport this to 18.x too? It's rather trivial change, and previous LLVM versions tend to linger for years.

https://github.com/llvm/llvm-project/pull/93376