maven-lister: initialise lister.maven-lister: update following review on D6133. [PLEASE DELETE ME]
Would you mind deleting this revision? This is a (failed) try at cleaning up the commits after review !401 (closed). The new revision https://forge.softwareheritage.org/D6395 seems to be successful, though. Thanks for your patience.
Migrated from D6393 (view on Phabricator)