Update Bazel skylib. I think this should fix the error our release build is seeing.

PiperOrigin-RevId: 301423967

Author: broken

WORKSPACE

@@ -12,10 +12,14 @@ http_archive(
     ],
 )
 
+# https://github.com/bazelbuild/bazel-skylib/releases
 http_archive(
     name = "bazel_skylib",
-    sha256 = "2ef429f5d7ce7111263289644d233707dba35e39696377ebab8b0bc701f7818e",
-    urls = ["https://github.com/bazelbuild/bazel-skylib/releases/download/0.8.0/bazel-skylib.0.8.0.tar.gz"],
+    sha256 = "1dde365491125a3db70731e25658dfdd3bc5dbdfd11b840b3e987ecf043c7ca0",
+    urls = [
+        "https://storage.googleapis.com/mirror.tensorflow.org/github.com/bazelbuild/bazel-skylib/releases/download/0.9.0/bazel_skylib-0.9.0.tar.gz",
+        "https://github.com/bazelbuild/bazel-skylib/releases/download/0.9.0/bazel_skylib-0.9.0.tar.gz",
+    ],
 )
 
 http_archive(