* [feature] Log "debounce" filter to remove spam.
* [log] slf4j-simple should be optional
This also sets the default log level to ERROR during CI builds for many
mvn invocations. This should reduce noise in the logs.
* [log] Rely only on mvn loglevel=error for now
* [cli] Clean up unused dependency
* [log] Change level to error/warn in more CI