Implement review suggestions

Author: brianpursley

Npgmq/INpgmqClient.cs

@@ -341,7 +341,7 @@ public interface INpgmqClient
     /// </remarks>
     /// <param name="queueName">The queue name.</param>
     /// <param name="msgId">The message ID.</param>
-    /// <param name="vt">The new vt.</param>
+    /// <param name="vt">The new timestamp at which the message becomes visible.</param>
     /// <param name="cancellationToken">The cancellation token.</param>
     Task SetVtAsync(string queueName, long msgId, DateTimeOffset vt, CancellationToken cancellationToken = default);
 
@@ -367,7 +367,7 @@ Task<List<long>> SetVtBatchAsync(string queueName, IEnumerable<long> msgIds, int
     /// </remarks>
     /// <param name="queueName">The queue name.</param>
     /// <param name="msgIds">The message IDs.</param>
-    /// <param name="vt">The new vt.</param>
+    /// <param name="vt">The new timestamp at which the messages become visible.</param>
     /// <param name="cancellationToken">The cancellation token.</param>
     /// <returns>List of IDs that were updated.</returns>
     Task<List<long>> SetVtBatchAsync(string queueName, IEnumerable<long> msgIds, DateTimeOffset vt,

Npgmq/NpgmqClient.cs

@@ -863,7 +863,7 @@ public async Task SetVtAsync(string queueName, long msgId, DateTimeOffset vt, Ca
             {
                 cmd.Parameters.AddWithValue("@queue_name", queueName);
                 cmd.Parameters.AddWithValue("@msg_id", msgId);
-                cmd.Parameters.AddWithValue("@vt", vt);
+                cmd.Parameters.AddWithValue("@vt", vt.ToUniversalTime());
                 await cmd.ExecuteNonQueryAsync(cancellationToken).ConfigureAwait(false);
             }
         }
@@ -918,7 +918,7 @@ public async Task<List<long>> SetVtBatchAsync(string queueName, IEnumerable<long
             {
                 cmd.Parameters.AddWithValue("@queue_name", queueName);
                 cmd.Parameters.AddWithValue("@msg_ids", NpgsqlDbType.Array | NpgsqlDbType.Bigint, msgIds.ToArray());
-                cmd.Parameters.AddWithValue("@vt", vt);
+                cmd.Parameters.AddWithValue("@vt", vt.ToUniversalTime());
                 var reader = await cmd.ExecuteReaderAsync(cancellationToken).ConfigureAwait(false);
                 await using (reader.ConfigureAwait(false))
                 {