Disable benchmarks ci for now and incorporate #1250

PiperOrigin-RevId: 776309377

Author: xingyousong

.github/workflows/ci.yml

@@ -16,7 +16,7 @@ jobs:
       fail-fast: false
       matrix:
         python-version: ["3.12"]  # 3.x disabled b/c of 3.13 test failures w/ JAX.
-        suffix: ["core", "benchmarks", "algorithms", "clients", "pyglove", "raytune"]
+        suffix: ["core", "algorithms", "clients", "pyglove", "raytune"]  # "benchmarks" disabled b/c of Tensorflow-protobuf conflicts.
         include:
           - suffix: "clients"
             python-version: "3.8"

vizier/_src/service/vizier_service.py

@@ -713,7 +713,7 @@ def CheckTrialEarlyStoppingState(
         if (
             output_operation.status
             == vizier_oss_pb2.EarlyStoppingOperation.Status.ACTIVE
-            or datetime.datetime.utcnow()
+            or datetime.datetime.now(datetime.timezone.utc).replace(tzinfo=None)
             - output_operation.completion_time.ToDatetime()
             < self._early_stop_recycle_period
         ):