Maven pom template should use the javac release flag.

[mbien]

• MCOMPILER-582: compiler plugin 3.13.0+ supports the release flag on all JDK versions
• allows the hello world project template to use best practices

pom generated by "Java Application" project template on JDK 22:

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <groupId>test</groupId>
    <artifactId>mavenproject1</artifactId>
    <version>1.0-SNAPSHOT</version>
    <packaging>jar</packaging>
    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <maven.compiler.release>22</maven.compiler.release>
        <exec.mainClass>test.mavenproject1.Mavenproject1</exec.mainClass>
    </properties>
</project>