Support setting status listener for logback generator

[andriy-dmytruk]

Adds support for setting target, like here:

    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
        <target>System.err</target>
        <encoder>
            <pattern>%-5level %date{ISO8601, UTC} %X{opc-request-id} [%thread] %logger: %message%n</pattern>
        </encoder>
    </appender>

[sonarcloud]

Quality Gate failed

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1 New Critical Issues (required ≤ 0)

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