Version 2.19.0

What's Changed

• improvement/standardise-environment-key-names by @dabeeeenster in #847
• Remove unnecessary project admin filters by @matthewelwell in #853
• Virtualise flag list for performance by @kyle-ssg in #857
• Add migrations to health check by @matthewelwell in #862
• Fix environment permissions migration by @matthewelwell in #854
• feat(migration_event): setup trigger for migration event by @gagantrivedi in #842
• improvement/add-ssl-django-options by @dabeeeenster in #865
• Add code snippets for React, React Native and Next.js by @kyle-ssg in #867
• refac(identity-migrator): avoid loading whole qs to memory by @gagantrivedi in #866
• WIP: 4-eyes and separated save feature tabs by @kyle-ssg in #872
• tooltip icon colours by @kyle-ssg in #873
• Create flag footer fix / environment weight fix by @kyle-ssg in #874
• Chores/clear filter UI by @kyle-ssg in #875
• chore/remove-beanstalk-migration by @dabeeeenster in #864
• chore/updated-migrations by @dabeeeenster in #871

Full Changelog: v2.18.7...v2.19.0