Update samples' dependencies

samples/rest-notes-spring-data-rest/pom.xml

@@ -11,7 +11,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.4.7</version>
+		<version>2.6.2</version>
 		<relativePath />
 	</parent>
 
@@ -19,6 +19,7 @@
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<java.version>1.8</java.version>
 		<spring-restdocs.version>2.0.6.BUILD-SNAPSHOT</spring-restdocs.version>
+		<h2.version>2.0.206</h2.version>
 	</properties>
 
 	<dependencies>

samples/rest-notes-spring-data-rest/src/test/java/com/example/notes/ApiDocumentation.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2020 the original author or authors.
+ * Copyright 2014-2022 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.
@@ -99,7 +99,6 @@ public class ApiDocumentation {
 				.andDo(document("error-example",
 						responseFields(
 								fieldWithPath("error").description("The HTTP error that occurred, e.g. `Bad Request`"),
-								fieldWithPath("message").description("A description of the cause of the error"),
 								fieldWithPath("path").description("The path to which the request was made"),
 								fieldWithPath("status").description("The HTTP status code, e.g. `400`"),
 								fieldWithPath("timestamp").description("The time, in milliseconds, at which the error occurred"))));