v0.0.193 - pg: Write origin visit updates & status, read from origin_visit_status - Make content.blake2s256 not null. - Remove unused SQL functions. - README: Update necessary dependencies for test purposes - Add a pre-commit hook to check there are version bumps in sql/upgrades/*.sql - Add missing dbversion bump in 150.sql. - Add artifact metadata to the extrinsic metadata storage specification. - Add not null constraints to metadata_authority/origin_metadata - Realign schema with latest 149 migration script