5.19.0

What's Changed

• Add/Remove Indexes - Metadata Table by @kaysiz in #1128
• Fix N+1 - set_doi by @kaysiz in #1140
• Fix N+1 - as_indexed_json - DOI by @kaysiz in #1150
• Add/Remove Indexes - Media Table by @kaysiz in #1126
• Add/Remove Indexes - Contacts Table by @kaysiz in #1122
• Metadata Model fixes for performance by @ashwinisukale in #1141

Full Changelog: 5.18.0...5.19.0