[Cassandra] DefunctSiloCleanup - Specify datetime kind (#9382)

Specify datetime kind

Author: rkargMsft

src/Cassandra/Orleans.Clustering.Cassandra/CassandraClusteringTable.cs

@@ -204,10 +204,10 @@ public async Task CleanupDefunctSiloEntries(DateTimeOffset beforeDate)
 
         foreach (var e in allEntries)
         {
-            if (e is not { Status: SiloStatus.Active } && new DateTime(Math.Max(e.IAmAliveTime.Ticks, e.StartTime.Ticks)) < beforeDate)
+            if (e is not { Status: SiloStatus.Active } && new DateTime(Math.Max(e.IAmAliveTime.Ticks, e.StartTime.Ticks), DateTimeKind.Utc) < beforeDate)
             {
                 await Session.ExecuteAsync(await Queries.DeleteMembershipEntry(_identifier, e));
             }
         }
     }
-}
+}