<plugin>
    <groupId>org.apache.maven.plugins</groupId>
    <artifactId>maven-dependency-plugin</artifactId>
    <version>3.7.1</version>
    <executions>
        <execution>
            <id>copy-javafx</id>
            <phase>process-resources</phase>
            <goals><goal>copy-dependencies</goal></goals>
            <configuration>
                <outputDirectory>${project.build.directory}/javafx-lib</outputDirectory>
                <includeGroupIds>org.openjfx</includeGroupIds>
                <includeClassifiers>win</includeClassifiers>
            </configuration>
        </execution>
    </executions>
</plugin>