v1.6.4-0 (beta)

What's Changed

• Add dev migrations to dev docker-compose by @bdevloed in #108
• Optimize query performance - avoid thread kill by @bdevloed in #109
• Add migration to remove duplicated organizations by @claire-lovisa in #113
• Add migration to update change event and status by @claire-lovisa in #112
• Add migration to fix change event date by @claire-lovisa in #111
• Add migration to delete CKB Wachtebeke by @claire-lovisa in #110
• Remove werkingsgebieden from the config and db by @claire-lovisa in #114
• Hotfix/v1.6.2.1 by @claire-lovisa in #115
• fix index by @nbittich in #116

Full Changelog: v1.6.3...v1.6.4-0