Cleanup pgadmin logs in process-usertasks-timer-data-index-persistence-addon-quarkus docker-compose

[pefernan]

process-usertasks-timer-data-index-persistence-addon-quarkus starts a PgAdmin container as a part of the example infrastrucutre. When accessed from the browser, PgAdmin is generating too much logs on each request, we should increase the log level in order to make the logs more readable.