Reinstall changes icecast.xml

[DiQ]

Ubuntu 20.04.4
Icecast 2.4.4-3ubuntu0.1

    <authentication>
        <!-- Sources log in with username 'source' -->
        <source-password>PASSWORD-A</source-password>

        <!-- Relays log in with username 'relay' -->
        <relay-password>PASSWORD-B</relay-password>

        <!-- Admin logs in with the username given below -->
        <admin-user>username</admin-user>
        <admin-password>PASSWORD-C</admin-password>
    </authentication>

Then I do apt remove icecast2 and apt install icecast2.... The icecast.xml stays the same apart from:

    <authentication>
        <!-- Sources log in with username 'source' -->
        <source-password>PASSWORD-D</source-password>

        <!-- Relays log in with username 'relay' -->
        <relay-password>PASSWORD-D</relay-password>

        <!-- Admin logs in with the username given below -->
        <admin-user>username</admin-user>
        <admin-password>PASSWORD-D</admin-password>
    </authentication>

$ debconf-show icecast2

    debconf-show icecast2
    * icecast2/relaypassword: PASSWORD-D
    * icecast2/sourcepassword: PASSWORD-D
    * icecast2/icecast-setup: true
    * icecast2/adminpassword: PASSWORD-D
    * icecast2/hostname: localhost

I view this as a bug because it's very unhelpful when updating, it breaks the config