Fix deprecations

- Due to switch to boot 2.4.x, fixing various
  deprecations where things mostly come from reactor.

spring-statemachine-samples/persist/src/main/java/demo/persist/Persist.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2015-2019 the original author or authors.
+ * Copyright 2015-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -66,12 +66,12 @@ public class Persist {
 
 //tag::snippetB[]
 	public void change(int order, String event) {
-		Order o = jdbcTemplate.queryForObject("select id, state from orders where id = ?", new Object[] { order },
+		Order o = jdbcTemplate.queryForObject("select id, state from orders where id = ?",
 				new RowMapper<Order>() {
 					public Order mapRow(ResultSet rs, int rowNum) throws SQLException {
 						return new Order(rs.getInt("id"), rs.getString("state"));
 					}
-				});
+				}, new Object[] { order });
 		handler.handleEventWithStateReactively(MessageBuilder
 				.withPayload(event).setHeader("order", order).build(), o.state)
 			.subscribe();