Formatting of generated Helidon SE quickstart

[m0mus]

Project is generated in ProjectStarter with all default settings: https://helidon.io/starter/3.0.1
Class Main.java

        Routing.Builder builder = Routing.builder()
                .register(MetricsSupport.create()) // Metrics at "/metrics"
                .register(health) // Health at "/health"
                .register("/simple-greet", simpleGreetService)
                .register("/greet", greetService)
;

Semicolon must be at the and of the previous line.

[tvallin]

Closed by #4967 and #4969