[JAVA-29168] Upgrade spring-boot-basic-customization module to Spring Boot 3 (#15767)

spring-boot-modules/spring-boot-basic-customization/pom.xml

@@ -9,9 +9,10 @@
     <description>Module For Spring Boot Basic Customization</description>
 
     <parent>
-        <groupId>com.baeldung.spring-boot-modules</groupId>
-        <artifactId>spring-boot-modules</artifactId>
-        <version>1.0.0-SNAPSHOT</version>
+        <groupId>com.baeldung</groupId>
+        <artifactId>parent-boot-3</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../../parent-boot-3</relativePath>
     </parent>
 
     <dependencies>
@@ -81,7 +82,7 @@
     </build>
 
     <properties>
-        <spring-boot-maven-plugin.version>1.5.2.RELEASE</spring-boot-maven-plugin.version>
+        <spring-boot-maven-plugin.version>3.1.5</spring-boot-maven-plugin.version>
         <!-- The main class to start by executing "java -jar" -->
         <start-class>com.baeldung.changeport.CustomApplication</start-class>
     </properties>