Update XLA dependency to use revision

http://github.com/openxla/xla/commit/b5db81467f0ca0d547b56a9998244c9432eb88e3.

PiperOrigin-RevId: 722632959

Author: Google-ML-Automation

third_party/xla/workspace.bzl

@@ -21,8 +21,8 @@ load("//third_party:repo.bzl", "tf_http_archive", "tf_mirror_urls")
 #    curl -L https://github.com/openxla/xla/archive/<git hash>.tar.gz | sha256sum
 #    and update XLA_SHA256 with the result.
 
-XLA_COMMIT = "492a921843e982f4c0d3ccbe8930dc7c83a034d7"
-XLA_SHA256 = "345778e35a5b004838725424242bcae6e7a844c6f56918ff67845b2a5dff5e33"
+XLA_COMMIT = "b5db81467f0ca0d547b56a9998244c9432eb88e3"
+XLA_SHA256 = "fa8b88d0b4bbf68c8cf7d469a214f209c69b46262364de3c532cf6ffedf6d1ca"
 
 def repo():
     tf_http_archive(