bump version to Spring Boot 3.2.4

Author: darbyluv2code

06-spring-boot-spring-mvc/14-validationdemo-required-fields/pom.xml

@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.1.2</version>
+		<version>3.2.4</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>com.luv2code.springdemo.mvc</groupId>