Fork is deprecated/gone in SB 3.0.0

https://youtrack.jetbrains.com/issue/IDEA-306949
https://docs.spring.io/spring-boot/docs/2.7.8/maven-plugin/reference/htmlsingle/#run <-> https://docs.spring.io/spring-boot/docs/3.0.0/maven-plugin/reference/htmlsingle/#run

Author: AB-xdev

vaadin-addon-template-demo/pom.xml

@@ -159,7 +159,6 @@
 						<artifactId>spring-boot-maven-plugin</artifactId>
 						<configuration>
 							<mainClass>${mainClass}</mainClass>
-							<fork>true</fork>
 						</configuration>
 						<executions>
 							<execution>