Add transaction.Commit call in transaction usage doc

Author: xPaw

docs/content/troubleshooting/transaction-usage.md

@@ -43,6 +43,8 @@ using (var connection = new MySqlConnection(...))
 
         // otherwise, this will throw System.InvalidOperationException: The transaction associated with this command is not the connection's active transaction.
         command.ExecuteScalar();
+
+        transaction.Commit();
     }
 }
 ```
@@ -60,6 +62,8 @@ using (var connection = new MySqlConnection(...))
 
         // use this instead:
         connection.Query("SELECT ...", transaction: transaction);
+
+        transaction.Commit();
     }
 }
 ```
@@ -68,4 +72,4 @@ using (var connection = new MySqlConnection(...))
 
 * [MySQL bug 88611](https://bugs.mysql.com/bug.php?id=88611) reporting Connector/NET's behaviour as a bug
 * [Issue #333](https://github.com/mysql-net/MySqlConnector/issues/333) for the addition of MySqlConnector's strict behaviour
-* Issues [#405](https://github.com/mysql-net/MySqlConnector/issues/405), [#452](https://github.com/mysql-net/MySqlConnector/issues/452), [#457](https://github.com/mysql-net/MySqlConnector/issues/457) for users encountering this as a breaking change
+* Issues [#405](https://github.com/mysql-net/MySqlConnector/issues/405), [#452](https://github.com/mysql-net/MySqlConnector/issues/452), [#457](https://github.com/mysql-net/MySqlConnector/issues/457) for users encountering this as a breaking change