v0.0.52 - swh.indexer.storage: Refactor fossology license get (first external contribution, cf. /CONTRIBUTORS) - swh.indexer.storage: Fix typo in invariable name metadata - swh.indexer.storage: No longer use temp table when reading data - swh.indexer.storage: Clean up unused import - swh.indexer.storage: Remove dead entry points origin_metadata* - swh.indexer.storage: Update docstrings information and format