message: Update bazel toolchains dependency.
diff: @@ -692,11 +692,11 @@ def tf_workspace(path_prefix="", tf_repo_name=""):
  tf_http_archive(
  name = "bazel_toolchains",
  urls = [
  - "https://mirror.bazel.build/github.com/bazelbuild/bazel-toolchains/archive/f3b09700fae5d7b6e659d7cefe0dcc6e8498504c.tar.gz",
  - "https://github.com/bazelbuild/bazel-toolchains/archive/f3b09700fae5d7b6e659d7cefe0dcc6e8498504c.tar.gz",
  + "https://mirror.bazel.build/github.com/bazelbuild/bazel-toolchains/archive/44200e0c026d86c53470d107b3697a3e46469c43.tar.gz",
  + "https://github.com/bazelbuild/bazel-toolchains/archive/44200e0c026d86c53470d107b3697a3e46469c43.tar.gz",
  ],
  - sha256 = "ed829b5eea8af1f405f4cc3d6ecfc3b1365bb7843171036030a31b5127002311",
  - strip_prefix = "bazel-toolchains-f3b09700fae5d7b6e659d7cefe0dcc6e8498504c",
  + strip_prefix = "bazel-toolchains-44200e0c026d86c53470d107b3697a3e46469c43",
  + sha256 = "699b55a6916c687f4b7dc092dbbf5f64672cde0dc965f79717735ec4e5416556",
  )
  tf_http_archive(
  