[libcxx-commits] [libcxx] [libcxx] Update testing documentation about CI container images. (PR #149192)

[Aiden Grossman via libcxx-commits]

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@@ -175,7 +175,7 @@ Introduction
 ------------
 
 Unlike most parts of the LLVM project, libc++ uses a pre-commit CI [#]_. This
-CI is hosted on `Buildkite <https://buildkite.com/llvm-project/libcxx-ci>`__ and
+CI used to be hosted on `Buildkite <https://buildkite.com/llvm-project/libcxx-ci>`__, but has migrated to the LLVM CI infrastrcuture, and
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boomanaiden154 wrote:

There's still some CI running on the libc++ Buildkite, mainly platforms that are difficult to run through Github Actions as far as I'm aware.

https://github.com/llvm/llvm-project/pull/149192