Update bazel_toolchains to latest release.

PiperOrigin-RevId: 210518434
diff --git a/WORKSPACE b/WORKSPACE
index d52b311..6348949 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -164,13 +164,13 @@
 )
 
 http_archive(
-  name = "bazel_toolchains",
-  urls = [
-    "https://mirror.bazel.build/github.com/bazelbuild/bazel-toolchains/archive/5124557861ebf4c0b67f98180bff1f8551e0b421.tar.gz",
-    "https://github.com/bazelbuild/bazel-toolchains/archive/5124557861ebf4c0b67f98180bff1f8551e0b421.tar.gz",
-  ],
-  strip_prefix = "bazel-toolchains-5124557861ebf4c0b67f98180bff1f8551e0b421",
-  sha256 = "c3b08805602cd1d2b67ebe96407c1e8c6ed3d4ce55236ae2efe2f1948f38168d",
+    name = "bazel_toolchains",
+    urls = [
+        "https://mirror.bazel.build/github.com/bazelbuild/bazel-toolchains/archive/cdea5b8675914d0a354d89f108de5d28e54e0edc.tar.gz",
+        "https://github.com/bazelbuild/bazel-toolchains/archive/cdea5b8675914d0a354d89f108de5d28e54e0edc.tar.gz",
+    ],
+    strip_prefix = "bazel-toolchains-cdea5b8675914d0a354d89f108de5d28e54e0edc",
+    sha256 = "cefb6ccf86ca592baaa029bcef04148593c0efe8f734542f10293ea58f170715",
 )
 
 # We're pinning to a commit because this project does not have a recent release.