fix: honor `--previous-delivery` CLI option

mentioned in commit 1f644330

mentioned in commit ab393c05

mentioned in merge request hoppr/plugins/hoppr-jq-filter-plugin!9 (merged)

mentioned in merge request hoppr/plugins/hoppr-openssf-scorecard-plugin!50 (closed)

mentioned in merge request hoppr-cop!451 (closed)

mentioned in merge request hoppr/plugins/hoppr-nexus-bundler!244 (merged)

mentioned in merge request hoppr/plugins/starter-plugin!10 (merged)