[libcxx-commits] [libcxx] [libc++] Specify `encoding='utf-8'` in `conformance` script (PR #189534)

[Louis Dionne via libcxx-commits]

ldionne wrote:

> @ldionne I guess I also need to request some permissions. When I ran the script (modified with explicit UTF-8 encoding), I still encountered the following error:
> 
> ```
> GraphQL: frederick-vs-ja does not have the correct permissions to execute `AddProjectV2ItemById` (add_000)
> ```

I think you should have access now, I gave `reviewers-libcxx` write access.

https://github.com/llvm/llvm-project/pull/189534