- [x] Decide what property to use for the metadata-provenance url: `<swh:metadata-provenance>`
- [ ] D7209, D7210: Check existence of property on metadata-only deposits
- [ ] D7174: Recommend on using it in the documentation
- [ ] Extend the deposit receipt to reply with a warning when not using this property (could also be useful for other stuff, like when using deprecated formats/fields like the Slug header instead of `<swh:deposit>`)
- [ ] D7214, D7227: Extend deposit cli(s) to warn when not using this property